19675920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 160

約数和(自身を含む): 69102720

約数和(自身を除く): 49426800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 33, 40, 44, 48, 55, 58, 60, 66, 80, 87, 88, 110, 116, 120, 132, 145, 165, 174, 176, 220, 232, 240, 257, 264, 290, 319, 330, 348, 435, 440, 464, 514, 528, 580, 638, 660, 696, 771, 870, 880, 957, 1028, 1160, 1276, 1285, 1320, 1392, 1542, 1595, 1740, 1914, 2056, 2320, 2552, 2570, 2640, 2827, 3084, 3190, 3480, 3828, 3855, 4112, 4785, 5104, 5140, 5654, 6168, 6380, 6960, 7453, 7656, 7710, 8481, 9570, 10280, 11308, 12336, 12760, 14135, 14906, 15312, 15420, 16962, 19140, 20560, 22359, 22616, 25520, 28270, 29812, 30840, 33924, 37265, 38280, 42405, 44718, 45232, 56540, 59624, 61680, 67848, 74530, 76560, 81983, 84810, 89436, 111795, 113080, 119248, 135696, 149060, 163966, 169620, 178872, 223590, 226160, 245949, 298120, 327932, 339240, 357744, 409915, 447180, 491898, 596240, 655864, 678480, 819830, 894360, 983796, 1229745, 1311728, 1639660, 1788720, 1967592, 2459490, 3279320, 3935184, 4918980, 6558640, 9837960, 19675920]

約数ペア:

[(1, 19675920), (2, 9837960), (3, 6558640), (4, 4918980), (5, 3935184), (6, 3279320), (8, 2459490), (10, 1967592), (11, 1788720), (12, 1639660), (15, 1311728), (16, 1229745), (20, 983796), (22, 894360), (24, 819830), (29, 678480), (30, 655864), (33, 596240), (40, 491898), (44, 447180), (48, 409915), (55, 357744), (58, 339240), (60, 327932), (66, 298120), (80, 245949), (87, 226160), (88, 223590), (110, 178872), (116, 169620), (120, 163966), (132, 149060), (145, 135696), (165, 119248), (174, 113080), (176, 111795), (220, 89436), (232, 84810), (240, 81983), (257, 76560), (264, 74530), (290, 67848), (319, 61680), (330, 59624), (348, 56540), (435, 45232), (440, 44718), (464, 42405), (514, 38280), (528, 37265), (580, 33924), (638, 30840), (660, 29812), (696, 28270), (771, 25520), (870, 22616), (880, 22359), (957, 20560), (1028, 19140), (1160, 16962), (1276, 15420), (1285, 15312), (1320, 14906), (1392, 14135), (1542, 12760), (1595, 12336), (1740, 11308), (1914, 10280), (2056, 9570), (2320, 8481), (2552, 7710), (2570, 7656), (2640, 7453), (2827, 6960), (3084, 6380), (3190, 6168), (3480, 5654), (3828, 5140), (3855, 5104), (4112, 4785)]