19278480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 66495744

約数和(自身を除く): 47217264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 37, 39, 40, 48, 52, 60, 65, 74, 78, 80, 104, 111, 120, 130, 148, 156, 167, 185, 195, 208, 222, 240, 260, 296, 312, 334, 370, 390, 444, 481, 501, 520, 555, 592, 624, 668, 740, 780, 835, 888, 962, 1002, 1040, 1110, 1336, 1443, 1480, 1560, 1670, 1776, 1924, 2004, 2171, 2220, 2405, 2505, 2672, 2886, 2960, 3120, 3340, 3848, 4008, 4342, 4440, 4810, 5010, 5772, 6179, 6513, 6680, 7215, 7696, 8016, 8684, 8880, 9620, 10020, 10855, 11544, 12358, 13026, 13360, 14430, 17368, 18537, 19240, 20040, 21710, 23088, 24716, 26052, 28860, 30895, 32565, 34736, 37074, 38480, 40080, 43420, 49432, 52104, 57720, 61790, 65130, 74148, 80327, 86840, 92685, 98864, 104208, 115440, 123580, 130260, 148296, 160654, 173680, 185370, 240981, 247160, 260520, 296592, 321308, 370740, 401635, 481962, 494320, 521040, 642616, 741480, 803270, 963924, 1204905, 1285232, 1482960, 1606540, 1927848, 2409810, 3213080, 3855696, 4819620, 6426160, 9639240, 19278480]

約数ペア:

[(1, 19278480), (2, 9639240), (3, 6426160), (4, 4819620), (5, 3855696), (6, 3213080), (8, 2409810), (10, 1927848), (12, 1606540), (13, 1482960), (15, 1285232), (16, 1204905), (20, 963924), (24, 803270), (26, 741480), (30, 642616), (37, 521040), (39, 494320), (40, 481962), (48, 401635), (52, 370740), (60, 321308), (65, 296592), (74, 260520), (78, 247160), (80, 240981), (104, 185370), (111, 173680), (120, 160654), (130, 148296), (148, 130260), (156, 123580), (167, 115440), (185, 104208), (195, 98864), (208, 92685), (222, 86840), (240, 80327), (260, 74148), (296, 65130), (312, 61790), (334, 57720), (370, 52104), (390, 49432), (444, 43420), (481, 40080), (501, 38480), (520, 37074), (555, 34736), (592, 32565), (624, 30895), (668, 28860), (740, 26052), (780, 24716), (835, 23088), (888, 21710), (962, 20040), (1002, 19240), (1040, 18537), (1110, 17368), (1336, 14430), (1443, 13360), (1480, 13026), (1560, 12358), (1670, 11544), (1776, 10855), (1924, 10020), (2004, 9620), (2171, 8880), (2220, 8684), (2405, 8016), (2505, 7696), (2672, 7215), (2886, 6680), (2960, 6513), (3120, 6179), (3340, 5772), (3848, 5010), (4008, 4810), (4342, 4440)]