18662625

素因数分解:

$3^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 34386768

約数和(自身を除く): 15724143

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 125, 159, 225, 265, 313, 375, 477, 795, 939, 1125, 1325, 1565, 2385, 2817, 3975, 4695, 6625, 7825, 11925, 14085, 16589, 19875, 23475, 39125, 49767, 59625, 70425, 82945, 117375, 149301, 248835, 352125, 414725, 746505, 1244175, 2073625, 3732525, 6220875, 18662625]

約数ペア:

[(1, 18662625), (3, 6220875), (5, 3732525), (9, 2073625), (15, 1244175), (25, 746505), (45, 414725), (53, 352125), (75, 248835), (125, 149301), (159, 117375), (225, 82945), (265, 70425), (313, 59625), (375, 49767), (477, 39125), (795, 23475), (939, 19875), (1125, 16589), (1325, 14085), (1565, 11925), (2385, 7825), (2817, 6625), (3975, 4695)]