18906088916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{1543}}^1$

素因数の和:2293

約数の個数: 96

約数和(自身を含む): 40207835136

約数和(自身を除く): 21301746220

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 691, 806, 1364, 1382, 1543, 1612, 2764, 3086, 4433, 6172, 7601, 8866, 8983, 15202, 16973, 17732, 17966, 20059, 21421, 30404, 33946, 35932, 40118, 42842, 47833, 67892, 80236, 85684, 95666, 98813, 191332, 197626, 220649, 235631, 278473, 395252, 441298, 471262, 526163, 556946, 621829, 882596, 942524, 1052326, 1066213, 1113892, 1243658, 2104652, 2132426, 2487316, 3063203, 4264852, 6126406, 6840119, 11728343, 12252812, 13680238, 13860769, 23456686, 27360476, 27721538, 33052603, 46913372, 55443076, 66105206, 132210412, 152468459, 304936918, 363578633, 429683839, 609873836, 727157266, 859367678, 1454314532, 1718735356, 4726522229, 9453044458, 18906088916]

約数ペア:

[(1, 18906088916), (2, 9453044458), (4, 4726522229), (11, 1718735356), (13, 1454314532), (22, 859367678), (26, 727157266), (31, 609873836), (44, 429683839), (52, 363578633), (62, 304936918), (124, 152468459), (143, 132210412), (286, 66105206), (341, 55443076), (403, 46913372), (572, 33052603), (682, 27721538), (691, 27360476), (806, 23456686), (1364, 13860769), (1382, 13680238), (1543, 12252812), (1612, 11728343), (2764, 6840119), (3086, 6126406), (4433, 4264852), (6172, 3063203), (7601, 2487316), (8866, 2132426), (8983, 2104652), (15202, 1243658), (16973, 1113892), (17732, 1066213), (17966, 1052326), (20059, 942524), (21421, 882596), (30404, 621829), (33946, 556946), (35932, 526163), (40118, 471262), (42842, 441298), (47833, 395252), (67892, 278473), (80236, 235631), (85684, 220649), (95666, 197626), (98813, 191332)]