1916574920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 4737247200

約数和(自身を除く): 2820672280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 169, 193, 226, 260, 338, 386, 452, 520, 565, 676, 772, 845, 904, 965, 1130, 1352, 1469, 1544, 1690, 1930, 2197, 2260, 2509, 2938, 3380, 3860, 4394, 4520, 5018, 5876, 6760, 7345, 7720, 8788, 10036, 10985, 11752, 12545, 14690, 17576, 19097, 20072, 21809, 21970, 25090, 29380, 32617, 38194, 43618, 43940, 50180, 58760, 65234, 76388, 87236, 87880, 95485, 100360, 109045, 130468, 152776, 163085, 174472, 190970, 218090, 248261, 260936, 283517, 326170, 381940, 424021, 436180, 496522, 567034, 652340, 763880, 848042, 872360, 993044, 1134068, 1241305, 1304680, 1417585, 1696084, 1986088, 2120105, 2268136, 2482610, 2835170, 3392168, 3685721, 4240210, 4965220, 5670340, 7371442, 8480420, 9930440, 11340680, 14742884, 16960840, 18428605, 29485768, 36857210, 47914373, 73714420, 95828746, 147428840, 191657492, 239571865, 383314984, 479143730, 958287460, 1916574920]

約数ペア:

[(1, 1916574920), (2, 958287460), (4, 479143730), (5, 383314984), (8, 239571865), (10, 191657492), (13, 147428840), (20, 95828746), (26, 73714420), (40, 47914373), (52, 36857210), (65, 29485768), (104, 18428605), (113, 16960840), (130, 14742884), (169, 11340680), (193, 9930440), (226, 8480420), (260, 7371442), (338, 5670340), (386, 4965220), (452, 4240210), (520, 3685721), (565, 3392168), (676, 2835170), (772, 2482610), (845, 2268136), (904, 2120105), (965, 1986088), (1130, 1696084), (1352, 1417585), (1469, 1304680), (1544, 1241305), (1690, 1134068), (1930, 993044), (2197, 872360), (2260, 848042), (2509, 763880), (2938, 652340), (3380, 567034), (3860, 496522), (4394, 436180), (4520, 424021), (5018, 381940), (5876, 326170), (6760, 283517), (7345, 260936), (7720, 248261), (8788, 218090), (10036, 190970), (10985, 174472), (11752, 163085), (12545, 152776), (14690, 130468), (17576, 109045), (19097, 100360), (20072, 95485), (21809, 87880), (21970, 87236), (25090, 76388), (29380, 65234), (32617, 58760), (38194, 50180), (43618, 43940)]