19425375

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 36211968

約数和(自身を除く): 16786593

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 125, 155, 225, 279, 375, 465, 557, 775, 1125, 1395, 1671, 2325, 2785, 3875, 5013, 6975, 8355, 11625, 13925, 17267, 25065, 34875, 41775, 51801, 69625, 86335, 125325, 155403, 208875, 259005, 431675, 626625, 777015, 1295025, 2158375, 3885075, 6475125, 19425375]

約数ペア:

[(1, 19425375), (3, 6475125), (5, 3885075), (9, 2158375), (15, 1295025), (25, 777015), (31, 626625), (45, 431675), (75, 259005), (93, 208875), (125, 155403), (155, 125325), (225, 86335), (279, 69625), (375, 51801), (465, 41775), (557, 34875), (775, 25065), (1125, 17267), (1395, 13925), (1671, 11625), (2325, 8355), (2785, 6975), (3875, 5013)]