13645420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 30492000

約数和(自身を除く): 16846580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 241, 298, 380, 482, 596, 745, 964, 1205, 1490, 2410, 2831, 2980, 4579, 4820, 5662, 9158, 11324, 14155, 18316, 22895, 28310, 35909, 45790, 56620, 71818, 91580, 143636, 179545, 359090, 682271, 718180, 1364542, 2729084, 3411355, 6822710, 13645420]

約数ペア:

[(1, 13645420), (2, 6822710), (4, 3411355), (5, 2729084), (10, 1364542), (19, 718180), (20, 682271), (38, 359090), (76, 179545), (95, 143636), (149, 91580), (190, 71818), (241, 56620), (298, 45790), (380, 35909), (482, 28310), (596, 22895), (745, 18316), (964, 14155), (1205, 11324), (1490, 9158), (2410, 5662), (2831, 4820), (2980, 4579)]