20181792

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{4889}}^1$

素因数の和:4945

約数の個数: 48

約数和(自身を含む): 54220320

約数和(自身を除く): 34038528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 4889, 9778, 14667, 19556, 29334, 39112, 58668, 78224, 117336, 156448, 210227, 234672, 420454, 469344, 630681, 840908, 1261362, 1681816, 2522724, 3363632, 5045448, 6727264, 10090896, 20181792]

約数ペア:

[(1, 20181792), (2, 10090896), (3, 6727264), (4, 5045448), (6, 3363632), (8, 2522724), (12, 1681816), (16, 1261362), (24, 840908), (32, 630681), (43, 469344), (48, 420454), (86, 234672), (96, 210227), (129, 156448), (172, 117336), (258, 78224), (344, 58668), (516, 39112), (688, 29334), (1032, 19556), (1376, 14667), (2064, 9778), (4128, 4889)]