18623800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 51057000

約数和(自身を除く): 32433200

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 29, 38, 40, 50, 52, 58, 65, 76, 95, 100, 104, 116, 130, 145, 152, 169, 190, 200, 232, 247, 260, 290, 325, 338, 377, 380, 475, 494, 520, 551, 580, 650, 676, 725, 754, 760, 845, 950, 988, 1102, 1160, 1235, 1300, 1352, 1450, 1508, 1690, 1885, 1900, 1976, 2204, 2470, 2600, 2755, 2900, 3016, 3211, 3380, 3770, 3800, 4225, 4408, 4901, 4940, 5510, 5800, 6175, 6422, 6760, 7163, 7540, 8450, 9425, 9802, 9880, 11020, 12350, 12844, 13775, 14326, 15080, 16055, 16900, 18850, 19604, 22040, 24505, 24700, 25688, 27550, 28652, 32110, 33800, 35815, 37700, 39208, 49010, 49400, 55100, 57304, 64220, 71630, 75400, 80275, 93119, 98020, 110200, 122525, 128440, 143260, 160550, 179075, 186238, 196040, 245050, 286520, 321100, 358150, 372476, 465595, 490100, 642200, 716300, 744952, 931190, 980200, 1432600, 1862380, 2327975, 3724760, 4655950, 9311900, 18623800]

約数ペア:

[(1, 18623800), (2, 9311900), (4, 4655950), (5, 3724760), (8, 2327975), (10, 1862380), (13, 1432600), (19, 980200), (20, 931190), (25, 744952), (26, 716300), (29, 642200), (38, 490100), (40, 465595), (50, 372476), (52, 358150), (58, 321100), (65, 286520), (76, 245050), (95, 196040), (100, 186238), (104, 179075), (116, 160550), (130, 143260), (145, 128440), (152, 122525), (169, 110200), (190, 98020), (200, 93119), (232, 80275), (247, 75400), (260, 71630), (290, 64220), (325, 57304), (338, 55100), (377, 49400), (380, 49010), (475, 39208), (494, 37700), (520, 35815), (551, 33800), (580, 32110), (650, 28652), (676, 27550), (725, 25688), (754, 24700), (760, 24505), (845, 22040), (950, 19604), (988, 18850), (1102, 16900), (1160, 16055), (1235, 15080), (1300, 14326), (1352, 13775), (1450, 12844), (1508, 12350), (1690, 11020), (1885, 9880), (1900, 9802), (1976, 9425), (2204, 8450), (2470, 7540), (2600, 7163), (2755, 6760), (2900, 6422), (3016, 6175), (3211, 5800), (3380, 5510), (3770, 4940), (3800, 4901), (4225, 4408)]