18853890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 54190080

約数和(自身を除く): 35336190

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 31, 33, 38, 55, 57, 62, 66, 93, 95, 97, 110, 114, 155, 165, 186, 190, 194, 209, 285, 291, 310, 330, 341, 418, 465, 485, 570, 582, 589, 627, 682, 930, 970, 1023, 1045, 1067, 1178, 1254, 1455, 1705, 1767, 1843, 2046, 2090, 2134, 2910, 2945, 3007, 3135, 3201, 3410, 3534, 3686, 5115, 5335, 5529, 5890, 6014, 6270, 6402, 6479, 8835, 9021, 9215, 10230, 10670, 11058, 12958, 15035, 16005, 17670, 18042, 18430, 19437, 20273, 27645, 30070, 32010, 32395, 33077, 38874, 40546, 45105, 55290, 57133, 60819, 64790, 66154, 90210, 97185, 99231, 101365, 114266, 121638, 165385, 171399, 194370, 198462, 202730, 285665, 304095, 330770, 342798, 496155, 571330, 608190, 628463, 856995, 992310, 1256926, 1713990, 1885389, 3142315, 3770778, 6284630, 9426945, 18853890]

約数ペア:

[(1, 18853890), (2, 9426945), (3, 6284630), (5, 3770778), (6, 3142315), (10, 1885389), (11, 1713990), (15, 1256926), (19, 992310), (22, 856995), (30, 628463), (31, 608190), (33, 571330), (38, 496155), (55, 342798), (57, 330770), (62, 304095), (66, 285665), (93, 202730), (95, 198462), (97, 194370), (110, 171399), (114, 165385), (155, 121638), (165, 114266), (186, 101365), (190, 99231), (194, 97185), (209, 90210), (285, 66154), (291, 64790), (310, 60819), (330, 57133), (341, 55290), (418, 45105), (465, 40546), (485, 38874), (570, 33077), (582, 32395), (589, 32010), (627, 30070), (682, 27645), (930, 20273), (970, 19437), (1023, 18430), (1045, 18042), (1067, 17670), (1178, 16005), (1254, 15035), (1455, 12958), (1705, 11058), (1767, 10670), (1843, 10230), (2046, 9215), (2090, 9021), (2134, 8835), (2910, 6479), (2945, 6402), (3007, 6270), (3135, 6014), (3201, 5890), (3410, 5529), (3534, 5335), (3686, 5115)]