19013940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 180

約数和(自身を含む): 66238788

約数和(自身を除く): 47224848

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 97, 99, 108, 110, 121, 132, 135, 162, 165, 180, 194, 198, 220, 242, 270, 291, 297, 324, 330, 363, 388, 396, 405, 484, 485, 495, 540, 582, 594, 605, 660, 726, 810, 873, 891, 970, 990, 1067, 1089, 1164, 1188, 1210, 1452, 1455, 1485, 1620, 1746, 1782, 1815, 1940, 1980, 2134, 2178, 2420, 2619, 2910, 2970, 3201, 3267, 3492, 3564, 3630, 4268, 4356, 4365, 4455, 5238, 5335, 5445, 5820, 5940, 6402, 6534, 7260, 7857, 8730, 8910, 9603, 9801, 10476, 10670, 10890, 11737, 12804, 13068, 13095, 15714, 16005, 16335, 17460, 17820, 19206, 19602, 21340, 21780, 23474, 26190, 28809, 31428, 32010, 32670, 35211, 38412, 39204, 39285, 46948, 48015, 49005, 52380, 57618, 58685, 64020, 65340, 70422, 78570, 86427, 96030, 98010, 105633, 115236, 117370, 140844, 144045, 157140, 172854, 176055, 192060, 196020, 211266, 234740, 288090, 316899, 345708, 352110, 422532, 432135, 528165, 576180, 633798, 704220, 864270, 950697, 1056330, 1267596, 1584495, 1728540, 1901394, 2112660, 3168990, 3802788, 4753485, 6337980, 9506970, 19013940]

約数ペア:

[(1, 19013940), (2, 9506970), (3, 6337980), (4, 4753485), (5, 3802788), (6, 3168990), (9, 2112660), (10, 1901394), (11, 1728540), (12, 1584495), (15, 1267596), (18, 1056330), (20, 950697), (22, 864270), (27, 704220), (30, 633798), (33, 576180), (36, 528165), (44, 432135), (45, 422532), (54, 352110), (55, 345708), (60, 316899), (66, 288090), (81, 234740), (90, 211266), (97, 196020), (99, 192060), (108, 176055), (110, 172854), (121, 157140), (132, 144045), (135, 140844), (162, 117370), (165, 115236), (180, 105633), (194, 98010), (198, 96030), (220, 86427), (242, 78570), (270, 70422), (291, 65340), (297, 64020), (324, 58685), (330, 57618), (363, 52380), (388, 49005), (396, 48015), (405, 46948), (484, 39285), (485, 39204), (495, 38412), (540, 35211), (582, 32670), (594, 32010), (605, 31428), (660, 28809), (726, 26190), (810, 23474), (873, 21780), (891, 21340), (970, 19602), (990, 19206), (1067, 17820), (1089, 17460), (1164, 16335), (1188, 16005), (1210, 15714), (1452, 13095), (1455, 13068), (1485, 12804), (1620, 11737), (1746, 10890), (1782, 10670), (1815, 10476), (1940, 9801), (1980, 9603), (2134, 8910), (2178, 8730), (2420, 7857), (2619, 7260), (2910, 6534), (2970, 6402), (3201, 5940), (3267, 5820), (3492, 5445), (3564, 5335), (3630, 5238), (4268, 4455), (4356, 4365)]