19469476

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:460

約数の個数: 36

約数和(自身を含む): 37446192

約数和(自身を除く): 17976716

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 169, 332, 338, 347, 676, 694, 1079, 1388, 2158, 4316, 4511, 9022, 14027, 18044, 28054, 28801, 56108, 57602, 58643, 115204, 117286, 234572, 374413, 748826, 1497652, 4867369, 9734738, 19469476]

約数ペア:

[(1, 19469476), (2, 9734738), (4, 4867369), (13, 1497652), (26, 748826), (52, 374413), (83, 234572), (166, 117286), (169, 115204), (332, 58643), (338, 57602), (347, 56108), (676, 28801), (694, 28054), (1079, 18044), (1388, 14027), (2158, 9022), (4316, 4511)]