17859772

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 20444228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 569, 826, 1121, 1138, 1652, 2242, 2276, 3983, 4484, 7847, 7966, 10811, 15694, 15932, 21622, 31388, 33571, 43244, 67142, 75677, 134284, 151354, 234997, 302708, 469994, 637849, 939988, 1275698, 2551396, 4464943, 8929886, 17859772]

約数ペア:

[(1, 17859772), (2, 8929886), (4, 4464943), (7, 2551396), (14, 1275698), (19, 939988), (28, 637849), (38, 469994), (59, 302708), (76, 234997), (118, 151354), (133, 134284), (236, 75677), (266, 67142), (413, 43244), (532, 33571), (569, 31388), (826, 21622), (1121, 15932), (1138, 15694), (1652, 10811), (2242, 7966), (2276, 7847), (3983, 4484)]