18589750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 37604736

約数和(自身を除く): 19014986

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 53, 61, 106, 115, 122, 125, 230, 250, 265, 305, 530, 575, 610, 1150, 1219, 1325, 1403, 1525, 2438, 2650, 2806, 2875, 3050, 3233, 5750, 6095, 6466, 6625, 7015, 7625, 12190, 13250, 14030, 15250, 16165, 30475, 32330, 35075, 60950, 70150, 74359, 80825, 148718, 152375, 161650, 175375, 304750, 350750, 371795, 404125, 743590, 808250, 1858975, 3717950, 9294875, 18589750]

約数ペア:

[(1, 18589750), (2, 9294875), (5, 3717950), (10, 1858975), (23, 808250), (25, 743590), (46, 404125), (50, 371795), (53, 350750), (61, 304750), (106, 175375), (115, 161650), (122, 152375), (125, 148718), (230, 80825), (250, 74359), (265, 70150), (305, 60950), (530, 35075), (575, 32330), (610, 30475), (1150, 16165), (1219, 15250), (1325, 14030), (1403, 13250), (1525, 12190), (2438, 7625), (2650, 7015), (2806, 6625), (2875, 6466), (3050, 6095), (3233, 5750)]