18479844

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 49969920

約数和(自身を除く): 31490076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 58, 62, 87, 93, 116, 124, 174, 186, 261, 279, 348, 372, 522, 558, 571, 899, 1044, 1116, 1142, 1713, 1798, 2284, 2697, 3426, 3596, 5139, 5394, 6852, 8091, 10278, 10788, 16182, 16559, 17701, 20556, 32364, 33118, 35402, 49677, 53103, 66236, 70804, 99354, 106206, 149031, 159309, 198708, 212412, 298062, 318618, 513329, 596124, 637236, 1026658, 1539987, 2053316, 3079974, 4619961, 6159948, 9239922, 18479844]

約数ペア:

[(1, 18479844), (2, 9239922), (3, 6159948), (4, 4619961), (6, 3079974), (9, 2053316), (12, 1539987), (18, 1026658), (29, 637236), (31, 596124), (36, 513329), (58, 318618), (62, 298062), (87, 212412), (93, 198708), (116, 159309), (124, 149031), (174, 106206), (186, 99354), (261, 70804), (279, 66236), (348, 53103), (372, 49677), (522, 35402), (558, 33118), (571, 32364), (899, 20556), (1044, 17701), (1116, 16559), (1142, 16182), (1713, 10788), (1798, 10278), (2284, 8091), (2697, 6852), (3426, 5394), (3596, 5139)]