18228752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1071

約数の個数: 40

約数和(自身を含む): 37824960

約数和(自身を除く): 19596208

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 983, 1159, 1966, 2318, 3932, 4636, 7864, 9272, 15728, 18544, 18677, 37354, 59963, 74708, 119926, 149416, 239852, 298832, 479704, 959408, 1139297, 2278594, 4557188, 9114376, 18228752]

約数ペア:

[(1, 18228752), (2, 9114376), (4, 4557188), (8, 2278594), (16, 1139297), (19, 959408), (38, 479704), (61, 298832), (76, 239852), (122, 149416), (152, 119926), (244, 74708), (304, 59963), (488, 37354), (976, 18677), (983, 18544), (1159, 15728), (1966, 9272), (2318, 7864), (3932, 4636)]