18955248

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:882

約数の個数: 80

約数和(自身を含む): 54225696

約数和(自身を除く): 35270448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 74, 78, 104, 111, 148, 156, 208, 222, 296, 312, 444, 481, 592, 624, 821, 888, 962, 1443, 1642, 1776, 1924, 2463, 2886, 3284, 3848, 4926, 5772, 6568, 7696, 9852, 10673, 11544, 13136, 19704, 21346, 23088, 30377, 32019, 39408, 42692, 60754, 64038, 85384, 91131, 121508, 128076, 170768, 182262, 243016, 256152, 364524, 394901, 486032, 512304, 729048, 789802, 1184703, 1458096, 1579604, 2369406, 3159208, 4738812, 6318416, 9477624, 18955248]

約数ペア:

[(1, 18955248), (2, 9477624), (3, 6318416), (4, 4738812), (6, 3159208), (8, 2369406), (12, 1579604), (13, 1458096), (16, 1184703), (24, 789802), (26, 729048), (37, 512304), (39, 486032), (48, 394901), (52, 364524), (74, 256152), (78, 243016), (104, 182262), (111, 170768), (148, 128076), (156, 121508), (208, 91131), (222, 85384), (296, 64038), (312, 60754), (444, 42692), (481, 39408), (592, 32019), (624, 30377), (821, 23088), (888, 21346), (962, 19704), (1443, 13136), (1642, 11544), (1776, 10673), (1924, 9852), (2463, 7696), (2886, 6568), (3284, 5772), (3848, 4926)]