18613664

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 19690336

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 79, 148, 158, 199, 296, 316, 398, 592, 632, 796, 1184, 1264, 1592, 2528, 2923, 3184, 5846, 6368, 7363, 11692, 14726, 15721, 23384, 29452, 31442, 46768, 58904, 62884, 93536, 117808, 125768, 235616, 251536, 503072, 581677, 1163354, 2326708, 4653416, 9306832, 18613664]

約数ペア:

[(1, 18613664), (2, 9306832), (4, 4653416), (8, 2326708), (16, 1163354), (32, 581677), (37, 503072), (74, 251536), (79, 235616), (148, 125768), (158, 117808), (199, 93536), (296, 62884), (316, 58904), (398, 46768), (592, 31442), (632, 29452), (796, 23384), (1184, 15721), (1264, 14726), (1592, 11692), (2528, 7363), (2923, 6368), (3184, 5846)]