18508538412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1\times {\mathrm{3137}}^1$

素因数の和:4968

約数の個数: 144

約数和(自身を含む): 57632457792

約数和(自身を除く): 39123919380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 1801, 3137, 3276, 3602, 5403, 6274, 7204, 9411, 10806, 12548, 12607, 16209, 18822, 21612, 21959, 23413, 25214, 28233, 32418, 37644, 37821, 40781, 43918, 46826, 50428, 56466, 64836, 65877, 70239, 75642, 81562, 87836, 93652, 112932, 113463, 122343, 131754, 140478, 151284, 163124, 163891, 197631, 210717, 226926, 244686, 263508, 280956, 285467, 327782, 367029, 395262, 421434, 453852, 489372, 491673, 570934, 655564, 734058, 790524, 842868, 856401, 983346, 1141868, 1468116, 1475019, 1712802, 1966692, 2569203, 2950038, 3425604, 5138406, 5649737, 5900076, 10276812, 11299474, 16949211, 22598948, 33898422, 39548159, 50847633, 67796844, 73446581, 79096318, 101695266, 118644477, 146893162, 158192636, 203390532, 220339743, 237288954, 293786324, 355933431, 440679486, 474577908, 514126067, 661019229, 711866862, 881358972, 1028252134, 1322038458, 1423733724, 1542378201, 2056504268, 2644076916, 3084756402, 4627134603, 6169512804, 9254269206, 18508538412]

約数ペア:

[(1, 18508538412), (2, 9254269206), (3, 6169512804), (4, 4627134603), (6, 3084756402), (7, 2644076916), (9, 2056504268), (12, 1542378201), (13, 1423733724), (14, 1322038458), (18, 1028252134), (21, 881358972), (26, 711866862), (28, 661019229), (36, 514126067), (39, 474577908), (42, 440679486), (52, 355933431), (63, 293786324), (78, 237288954), (84, 220339743), (91, 203390532), (117, 158192636), (126, 146893162), (156, 118644477), (182, 101695266), (234, 79096318), (252, 73446581), (273, 67796844), (364, 50847633), (468, 39548159), (546, 33898422), (819, 22598948), (1092, 16949211), (1638, 11299474), (1801, 10276812), (3137, 5900076), (3276, 5649737), (3602, 5138406), (5403, 3425604), (6274, 2950038), (7204, 2569203), (9411, 1966692), (10806, 1712802), (12548, 1475019), (12607, 1468116), (16209, 1141868), (18822, 983346), (21612, 856401), (21959, 842868), (23413, 790524), (25214, 734058), (28233, 655564), (32418, 570934), (37644, 491673), (37821, 489372), (40781, 453852), (43918, 421434), (46826, 395262), (50428, 367029), (56466, 327782), (64836, 285467), (65877, 280956), (70239, 263508), (75642, 244686), (81562, 226926), (87836, 210717), (93652, 197631), (112932, 163891), (113463, 163124), (122343, 151284), (131754, 140478)]