19996116

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 56077056

約数和(自身を除く): 36080940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1097, 1302, 1519, 2194, 2604, 3038, 3291, 4388, 4557, 6076, 6582, 7679, 9114, 13164, 15358, 18228, 23037, 30716, 34007, 46074, 53753, 68014, 92148, 102021, 107506, 136028, 161259, 204042, 215012, 238049, 322518, 408084, 476098, 645036, 714147, 952196, 1428294, 1666343, 2856588, 3332686, 4999029, 6665372, 9998058, 19996116]

約数ペア:

[(1, 19996116), (2, 9998058), (3, 6665372), (4, 4999029), (6, 3332686), (7, 2856588), (12, 1666343), (14, 1428294), (21, 952196), (28, 714147), (31, 645036), (42, 476098), (49, 408084), (62, 322518), (84, 238049), (93, 215012), (98, 204042), (124, 161259), (147, 136028), (186, 107506), (196, 102021), (217, 92148), (294, 68014), (372, 53753), (434, 46074), (588, 34007), (651, 30716), (868, 23037), (1097, 18228), (1302, 15358), (1519, 13164), (2194, 9114), (2604, 7679), (3038, 6582), (3291, 6076), (4388, 4557)]