18860730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 56678400

約数和(自身を除く): 37817670

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 29, 30, 35, 38, 42, 57, 58, 70, 87, 95, 105, 114, 133, 145, 163, 174, 190, 203, 210, 266, 285, 290, 326, 399, 406, 435, 489, 551, 570, 609, 665, 798, 815, 870, 978, 1015, 1102, 1141, 1218, 1330, 1630, 1653, 1995, 2030, 2282, 2445, 2755, 3045, 3097, 3306, 3423, 3857, 3990, 4727, 4890, 5510, 5705, 6090, 6194, 6846, 7714, 8265, 9291, 9454, 11410, 11571, 14181, 15485, 16530, 17115, 18582, 19285, 21679, 23142, 23635, 28362, 30970, 33089, 34230, 38570, 43358, 46455, 47270, 57855, 65037, 66178, 70905, 89813, 92910, 99267, 108395, 115710, 130074, 141810, 165445, 179626, 198534, 216790, 269439, 325185, 330890, 449065, 496335, 538878, 628691, 650370, 898130, 992670, 1257382, 1347195, 1886073, 2694390, 3143455, 3772146, 6286910, 9430365, 18860730]

約数ペア:

[(1, 18860730), (2, 9430365), (3, 6286910), (5, 3772146), (6, 3143455), (7, 2694390), (10, 1886073), (14, 1347195), (15, 1257382), (19, 992670), (21, 898130), (29, 650370), (30, 628691), (35, 538878), (38, 496335), (42, 449065), (57, 330890), (58, 325185), (70, 269439), (87, 216790), (95, 198534), (105, 179626), (114, 165445), (133, 141810), (145, 130074), (163, 115710), (174, 108395), (190, 99267), (203, 92910), (210, 89813), (266, 70905), (285, 66178), (290, 65037), (326, 57855), (399, 47270), (406, 46455), (435, 43358), (489, 38570), (551, 34230), (570, 33089), (609, 30970), (665, 28362), (798, 23635), (815, 23142), (870, 21679), (978, 19285), (1015, 18582), (1102, 17115), (1141, 16530), (1218, 15485), (1330, 14181), (1630, 11571), (1653, 11410), (1995, 9454), (2030, 9291), (2282, 8265), (2445, 7714), (2755, 6846), (3045, 6194), (3097, 6090), (3306, 5705), (3423, 5510), (3857, 4890), (3990, 4727)]