19015880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 48421800

約数和(自身を除く): 29405920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 97, 104, 116, 130, 145, 169, 194, 232, 260, 290, 338, 377, 388, 485, 520, 580, 676, 754, 776, 845, 970, 1160, 1261, 1352, 1508, 1690, 1885, 1940, 2522, 2813, 3016, 3380, 3770, 3880, 4901, 5044, 5626, 6305, 6760, 7540, 9802, 10088, 11252, 12610, 14065, 15080, 16393, 19604, 22504, 24505, 25220, 28130, 32786, 36569, 39208, 49010, 50440, 56260, 65572, 73138, 81965, 98020, 112520, 131144, 146276, 163930, 182845, 196040, 292552, 327860, 365690, 475397, 655720, 731380, 950794, 1462760, 1901588, 2376985, 3803176, 4753970, 9507940, 19015880]

約数ペア:

[(1, 19015880), (2, 9507940), (4, 4753970), (5, 3803176), (8, 2376985), (10, 1901588), (13, 1462760), (20, 950794), (26, 731380), (29, 655720), (40, 475397), (52, 365690), (58, 327860), (65, 292552), (97, 196040), (104, 182845), (116, 163930), (130, 146276), (145, 131144), (169, 112520), (194, 98020), (232, 81965), (260, 73138), (290, 65572), (338, 56260), (377, 50440), (388, 49010), (485, 39208), (520, 36569), (580, 32786), (676, 28130), (754, 25220), (776, 24505), (845, 22504), (970, 19604), (1160, 16393), (1261, 15080), (1352, 14065), (1508, 12610), (1690, 11252), (1885, 10088), (1940, 9802), (2522, 7540), (2813, 6760), (3016, 6305), (3380, 5626), (3770, 5044), (3880, 4901)]