19429220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8597}}^1$

素因数の和:8719

約数の個数: 24

約数和(自身を含む): 41167224

約数和(自身を除く): 21738004

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8597, 17194, 34388, 42985, 85970, 171940, 971461, 1942922, 3885844, 4857305, 9714610, 19429220]

約数ペア:

[(1, 19429220), (2, 9714610), (4, 4857305), (5, 3885844), (10, 1942922), (20, 971461), (113, 171940), (226, 85970), (452, 42985), (565, 34388), (1130, 17194), (2260, 8597)]