18620140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 31021844

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 107, 110, 113, 140, 154, 214, 220, 226, 308, 385, 428, 452, 535, 565, 749, 770, 791, 1070, 1130, 1177, 1243, 1498, 1540, 1582, 2140, 2260, 2354, 2486, 2996, 3164, 3745, 3955, 4708, 4972, 5885, 6215, 7490, 7910, 8239, 8701, 11770, 12091, 12430, 14980, 15820, 16478, 17402, 23540, 24182, 24860, 32956, 34804, 41195, 43505, 48364, 60455, 82390, 84637, 87010, 120910, 133001, 164780, 169274, 174020, 241820, 266002, 338548, 423185, 532004, 665005, 846370, 931007, 1330010, 1692740, 1862014, 2660020, 3724028, 4655035, 9310070, 18620140]

約数ペア:

[(1, 18620140), (2, 9310070), (4, 4655035), (5, 3724028), (7, 2660020), (10, 1862014), (11, 1692740), (14, 1330010), (20, 931007), (22, 846370), (28, 665005), (35, 532004), (44, 423185), (55, 338548), (70, 266002), (77, 241820), (107, 174020), (110, 169274), (113, 164780), (140, 133001), (154, 120910), (214, 87010), (220, 84637), (226, 82390), (308, 60455), (385, 48364), (428, 43505), (452, 41195), (535, 34804), (565, 32956), (749, 24860), (770, 24182), (791, 23540), (1070, 17402), (1130, 16478), (1177, 15820), (1243, 14980), (1498, 12430), (1540, 12091), (1582, 11770), (2140, 8701), (2260, 8239), (2354, 7910), (2486, 7490), (2996, 6215), (3164, 5885), (3745, 4972), (3955, 4708)]