18237960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:469

約数の個数: 160

約数和(自身を含む): 66167640

約数和(自身を除く): 47929680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 433, 468, 520, 540, 585, 648, 702, 780, 810, 866, 936, 1053, 1080, 1170, 1299, 1404, 1560, 1620, 1732, 1755, 2106, 2165, 2340, 2598, 2808, 3240, 3464, 3510, 3897, 4212, 4330, 4680, 5196, 5265, 5629, 6495, 7020, 7794, 8424, 8660, 10392, 10530, 11258, 11691, 12990, 14040, 15588, 16887, 17320, 19485, 21060, 22516, 23382, 25980, 28145, 31176, 33774, 35073, 38970, 42120, 45032, 46764, 50661, 51960, 56290, 58455, 67548, 70146, 77940, 84435, 93528, 101322, 112580, 116910, 135096, 140292, 151983, 155880, 168870, 175365, 202644, 225160, 233820, 253305, 280584, 303966, 337740, 350730, 405288, 455949, 467640, 506610, 607932, 675480, 701460, 759915, 911898, 1013220, 1215864, 1402920, 1519830, 1823796, 2026440, 2279745, 3039660, 3647592, 4559490, 6079320, 9118980, 18237960]

約数ペア:

[(1, 18237960), (2, 9118980), (3, 6079320), (4, 4559490), (5, 3647592), (6, 3039660), (8, 2279745), (9, 2026440), (10, 1823796), (12, 1519830), (13, 1402920), (15, 1215864), (18, 1013220), (20, 911898), (24, 759915), (26, 701460), (27, 675480), (30, 607932), (36, 506610), (39, 467640), (40, 455949), (45, 405288), (52, 350730), (54, 337740), (60, 303966), (65, 280584), (72, 253305), (78, 233820), (81, 225160), (90, 202644), (104, 175365), (108, 168870), (117, 155880), (120, 151983), (130, 140292), (135, 135096), (156, 116910), (162, 112580), (180, 101322), (195, 93528), (216, 84435), (234, 77940), (260, 70146), (270, 67548), (312, 58455), (324, 56290), (351, 51960), (360, 50661), (390, 46764), (405, 45032), (433, 42120), (468, 38970), (520, 35073), (540, 33774), (585, 31176), (648, 28145), (702, 25980), (780, 23382), (810, 22516), (866, 21060), (936, 19485), (1053, 17320), (1080, 16887), (1170, 15588), (1299, 14040), (1404, 12990), (1560, 11691), (1620, 11258), (1732, 10530), (1755, 10392), (2106, 8660), (2165, 8424), (2340, 7794), (2598, 7020), (2808, 6495), (3240, 5629), (3464, 5265), (3510, 5196), (3897, 4680), (4212, 4330)]