19806624

素因数分解:

$2^5\times 3^2\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:822

約数の個数: 72

約数和(自身を含む): 56986020

約数和(自身を除く): 37179396

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 97, 144, 194, 288, 291, 388, 582, 709, 776, 873, 1164, 1418, 1552, 1746, 2127, 2328, 2836, 3104, 3492, 4254, 4656, 5672, 6381, 6984, 8508, 9312, 11344, 12762, 13968, 17016, 22688, 25524, 27936, 34032, 51048, 68064, 68773, 102096, 137546, 204192, 206319, 275092, 412638, 550184, 618957, 825276, 1100368, 1237914, 1650552, 2200736, 2475828, 3301104, 4951656, 6602208, 9903312, 19806624]

約数ペア:

[(1, 19806624), (2, 9903312), (3, 6602208), (4, 4951656), (6, 3301104), (8, 2475828), (9, 2200736), (12, 1650552), (16, 1237914), (18, 1100368), (24, 825276), (32, 618957), (36, 550184), (48, 412638), (72, 275092), (96, 206319), (97, 204192), (144, 137546), (194, 102096), (288, 68773), (291, 68064), (388, 51048), (582, 34032), (709, 27936), (776, 25524), (873, 22688), (1164, 17016), (1418, 13968), (1552, 12762), (1746, 11344), (2127, 9312), (2328, 8508), (2836, 6984), (3104, 6381), (3492, 5672), (4254, 4656)]