18360525

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 32140800

約数和(自身を除く): 13780275

約数列:

[1, 3, 5, 15, 25, 31, 53, 75, 93, 149, 155, 159, 265, 447, 465, 745, 775, 795, 1325, 1643, 2235, 2325, 3725, 3975, 4619, 4929, 7897, 8215, 11175, 13857, 23095, 23691, 24645, 39485, 41075, 69285, 115475, 118455, 123225, 197425, 244807, 346425, 592275, 734421, 1224035, 3672105, 6120175, 18360525]

約数ペア:

[(1, 18360525), (3, 6120175), (5, 3672105), (15, 1224035), (25, 734421), (31, 592275), (53, 346425), (75, 244807), (93, 197425), (149, 123225), (155, 118455), (159, 115475), (265, 69285), (447, 41075), (465, 39485), (745, 24645), (775, 23691), (795, 23095), (1325, 13857), (1643, 11175), (2235, 8215), (2325, 7897), (3725, 4929), (3975, 4619)]