18469216

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 39357360

約数和(自身を除く): 20888144

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 592, 608, 703, 821, 1184, 1406, 1642, 2812, 3284, 5624, 6568, 11248, 13136, 15599, 22496, 26272, 30377, 31198, 60754, 62396, 121508, 124792, 243016, 249584, 486032, 499168, 577163, 972064, 1154326, 2308652, 4617304, 9234608, 18469216]

約数ペア:

[(1, 18469216), (2, 9234608), (4, 4617304), (8, 2308652), (16, 1154326), (19, 972064), (32, 577163), (37, 499168), (38, 486032), (74, 249584), (76, 243016), (148, 124792), (152, 121508), (296, 62396), (304, 60754), (592, 31198), (608, 30377), (703, 26272), (821, 22496), (1184, 15599), (1406, 13136), (1642, 11248), (2812, 6568), (3284, 5624)]