18531688

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17417}}^1$

素因数の和:17449

約数の個数: 32

約数和(自身を含む): 41803200

約数和(自身を除く): 23271512

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 17417, 34834, 69668, 121919, 139336, 243838, 330923, 487676, 661846, 975352, 1323692, 2316461, 2647384, 4632922, 9265844, 18531688]

約数ペア:

[(1, 18531688), (2, 9265844), (4, 4632922), (7, 2647384), (8, 2316461), (14, 1323692), (19, 975352), (28, 661846), (38, 487676), (56, 330923), (76, 243838), (133, 139336), (152, 121919), (266, 69668), (532, 34834), (1064, 17417)]