18071690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2837}}^1$

素因数の和:2871

約数の個数: 48

約数和(自身を含む): 40765032

約数和(自身を除く): 22693342

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 2837, 3185, 5674, 6370, 14185, 19859, 28370, 36881, 39718, 73762, 99295, 139013, 184405, 198590, 258167, 278026, 368810, 516334, 695065, 1290835, 1390130, 1807169, 2581670, 3614338, 9035845, 18071690]

約数ペア:

[(1, 18071690), (2, 9035845), (5, 3614338), (7, 2581670), (10, 1807169), (13, 1390130), (14, 1290835), (26, 695065), (35, 516334), (49, 368810), (65, 278026), (70, 258167), (91, 198590), (98, 184405), (130, 139013), (182, 99295), (245, 73762), (455, 39718), (490, 36881), (637, 28370), (910, 19859), (1274, 14185), (2837, 6370), (3185, 5674)]