18387630260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1\times {\mathrm{743}}^1$

素因数の和:1473

約数の個数: 96

約数和(自身を含む): 40524406272

約数和(自身を除く): 22136776012

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 631, 740, 743, 1060, 1262, 1486, 1961, 2524, 2972, 3155, 3715, 3922, 6310, 7430, 7844, 9805, 12620, 14860, 19610, 23347, 27491, 33443, 39220, 39379, 46694, 54982, 66886, 78758, 93388, 109964, 116735, 133772, 137455, 157516, 167215, 196895, 233470, 274910, 334430, 393790, 466940, 468833, 549820, 668860, 787580, 937666, 1237391, 1457023, 1875332, 2344165, 2474782, 2914046, 4688330, 4949564, 5828092, 6186955, 7285115, 9376660, 12373910, 14570230, 17346821, 24747820, 24848149, 29140460, 34693642, 49696298, 69387284, 86734105, 99392596, 124240745, 173468210, 248481490, 346936420, 496962980, 919381513, 1838763026, 3677526052, 4596907565, 9193815130, 18387630260]

約数ペア:

[(1, 18387630260), (2, 9193815130), (4, 4596907565), (5, 3677526052), (10, 1838763026), (20, 919381513), (37, 496962980), (53, 346936420), (74, 248481490), (106, 173468210), (148, 124240745), (185, 99392596), (212, 86734105), (265, 69387284), (370, 49696298), (530, 34693642), (631, 29140460), (740, 24848149), (743, 24747820), (1060, 17346821), (1262, 14570230), (1486, 12373910), (1961, 9376660), (2524, 7285115), (2972, 6186955), (3155, 5828092), (3715, 4949564), (3922, 4688330), (6310, 2914046), (7430, 2474782), (7844, 2344165), (9805, 1875332), (12620, 1457023), (14860, 1237391), (19610, 937666), (23347, 787580), (27491, 668860), (33443, 549820), (39220, 468833), (39379, 466940), (46694, 393790), (54982, 334430), (66886, 274910), (78758, 233470), (93388, 196895), (109964, 167215), (116735, 157516), (133772, 137455)]