19473525

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 37604736

約数和(自身を除く): 18131211

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 53, 69, 71, 75, 115, 159, 207, 213, 225, 265, 345, 355, 477, 575, 639, 795, 1035, 1065, 1219, 1325, 1633, 1725, 1775, 2385, 3195, 3657, 3763, 3975, 4899, 5175, 5325, 6095, 8165, 10971, 11289, 11925, 14697, 15975, 18285, 18815, 24495, 30475, 33867, 40825, 54855, 56445, 73485, 86549, 91425, 94075, 122475, 169335, 259647, 274275, 282225, 367425, 432745, 778941, 846675, 1298235, 2163725, 3894705, 6491175, 19473525]

約数ペア:

[(1, 19473525), (3, 6491175), (5, 3894705), (9, 2163725), (15, 1298235), (23, 846675), (25, 778941), (45, 432745), (53, 367425), (69, 282225), (71, 274275), (75, 259647), (115, 169335), (159, 122475), (207, 94075), (213, 91425), (225, 86549), (265, 73485), (345, 56445), (355, 54855), (477, 40825), (575, 33867), (639, 30475), (795, 24495), (1035, 18815), (1065, 18285), (1219, 15975), (1325, 14697), (1633, 11925), (1725, 11289), (1775, 10971), (2385, 8165), (3195, 6095), (3657, 5325), (3763, 5175), (3975, 4899)]