19715814

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 44703360

約数和(自身を除く): 24987546

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 89, 93, 178, 186, 267, 279, 397, 534, 558, 794, 801, 1191, 1602, 2382, 2759, 3573, 5518, 7146, 8277, 12307, 16554, 24614, 24831, 35333, 36921, 49662, 70666, 73842, 105999, 110763, 211998, 221526, 317997, 635994, 1095323, 2190646, 3285969, 6571938, 9857907, 19715814]

約数ペア:

[(1, 19715814), (2, 9857907), (3, 6571938), (6, 3285969), (9, 2190646), (18, 1095323), (31, 635994), (62, 317997), (89, 221526), (93, 211998), (178, 110763), (186, 105999), (267, 73842), (279, 70666), (397, 49662), (534, 36921), (558, 35333), (794, 24831), (801, 24614), (1191, 16554), (1602, 12307), (2382, 8277), (2759, 7146), (3573, 5518)]