19721394

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 192

約数和(自身を含む): 60383232

約数和(自身を除く): 40661838

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 27, 31, 33, 34, 42, 51, 54, 62, 63, 66, 77, 81, 93, 99, 102, 119, 126, 153, 154, 162, 186, 187, 189, 198, 217, 231, 238, 243, 279, 297, 306, 341, 357, 374, 378, 434, 459, 462, 486, 527, 558, 561, 567, 594, 651, 682, 693, 714, 837, 891, 918, 1023, 1054, 1071, 1122, 1134, 1302, 1309, 1377, 1386, 1581, 1674, 1683, 1701, 1782, 1953, 2046, 2079, 2142, 2387, 2511, 2618, 2673, 2754, 3069, 3162, 3213, 3366, 3402, 3689, 3906, 3927, 4131, 4158, 4743, 4774, 5022, 5049, 5346, 5797, 5859, 6138, 6237, 6426, 7161, 7378, 7533, 7854, 8262, 9207, 9486, 9639, 10098, 11067, 11594, 11718, 11781, 12474, 14229, 14322, 15066, 15147, 17391, 17577, 18414, 18711, 19278, 21483, 22134, 23562, 27621, 28458, 28917, 30294, 33201, 34782, 35154, 35343, 37422, 40579, 42687, 42966, 45441, 52173, 52731, 55242, 57834, 64449, 66402, 70686, 81158, 82863, 85374, 90882, 99603, 104346, 105462, 106029, 121737, 128061, 128898, 156519, 165726, 193347, 199206, 212058, 243474, 256122, 298809, 313038, 318087, 365211, 386694, 469557, 580041, 597618, 636174, 730422, 896427, 939114, 1095633, 1160082, 1408671, 1792854, 2191266, 2817342, 3286899, 6573798, 9860697, 19721394]

約数ペア:

[(1, 19721394), (2, 9860697), (3, 6573798), (6, 3286899), (7, 2817342), (9, 2191266), (11, 1792854), (14, 1408671), (17, 1160082), (18, 1095633), (21, 939114), (22, 896427), (27, 730422), (31, 636174), (33, 597618), (34, 580041), (42, 469557), (51, 386694), (54, 365211), (62, 318087), (63, 313038), (66, 298809), (77, 256122), (81, 243474), (93, 212058), (99, 199206), (102, 193347), (119, 165726), (126, 156519), (153, 128898), (154, 128061), (162, 121737), (186, 106029), (187, 105462), (189, 104346), (198, 99603), (217, 90882), (231, 85374), (238, 82863), (243, 81158), (279, 70686), (297, 66402), (306, 64449), (341, 57834), (357, 55242), (374, 52731), (378, 52173), (434, 45441), (459, 42966), (462, 42687), (486, 40579), (527, 37422), (558, 35343), (561, 35154), (567, 34782), (594, 33201), (651, 30294), (682, 28917), (693, 28458), (714, 27621), (837, 23562), (891, 22134), (918, 21483), (1023, 19278), (1054, 18711), (1071, 18414), (1122, 17577), (1134, 17391), (1302, 15147), (1309, 15066), (1377, 14322), (1386, 14229), (1581, 12474), (1674, 11781), (1683, 11718), (1701, 11594), (1782, 11067), (1953, 10098), (2046, 9639), (2079, 9486), (2142, 9207), (2387, 8262), (2511, 7854), (2618, 7533), (2673, 7378), (2754, 7161), (3069, 6426), (3162, 6237), (3213, 6138), (3366, 5859), (3402, 5797), (3689, 5346), (3906, 5049), (3927, 5022), (4131, 4774), (4158, 4743)]