18732028

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 24813572

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 29, 34, 46, 58, 59, 68, 92, 116, 118, 119, 161, 203, 236, 238, 322, 391, 406, 413, 476, 493, 644, 667, 782, 812, 826, 986, 1003, 1334, 1357, 1564, 1652, 1711, 1972, 2006, 2668, 2714, 2737, 3422, 3451, 4012, 4669, 5428, 5474, 6844, 6902, 7021, 9338, 9499, 10948, 11339, 11977, 13804, 14042, 18676, 18998, 22678, 23069, 23954, 28084, 29087, 37996, 39353, 45356, 46138, 47908, 58174, 78706, 79373, 92276, 116348, 157412, 158746, 161483, 203609, 275471, 317492, 322966, 407218, 550942, 645932, 669001, 814436, 1101884, 1338002, 2676004, 4683007, 9366014, 18732028]

約数ペア:

[(1, 18732028), (2, 9366014), (4, 4683007), (7, 2676004), (14, 1338002), (17, 1101884), (23, 814436), (28, 669001), (29, 645932), (34, 550942), (46, 407218), (58, 322966), (59, 317492), (68, 275471), (92, 203609), (116, 161483), (118, 158746), (119, 157412), (161, 116348), (203, 92276), (236, 79373), (238, 78706), (322, 58174), (391, 47908), (406, 46138), (413, 45356), (476, 39353), (493, 37996), (644, 29087), (667, 28084), (782, 23954), (812, 23069), (826, 22678), (986, 18998), (1003, 18676), (1334, 14042), (1357, 13804), (1564, 11977), (1652, 11339), (1711, 10948), (1972, 9499), (2006, 9338), (2668, 7021), (2714, 6902), (2737, 6844), (3422, 5474), (3451, 5428), (4012, 4669)]