19810232

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{797}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 20408968

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 797, 956, 1594, 1912, 3107, 3188, 6214, 6376, 10361, 12428, 20722, 24856, 41444, 82888, 190483, 380966, 761932, 1523864, 2476279, 4952558, 9905116, 19810232]

約数ペア:

[(1, 19810232), (2, 9905116), (4, 4952558), (8, 2476279), (13, 1523864), (26, 761932), (52, 380966), (104, 190483), (239, 82888), (478, 41444), (797, 24856), (956, 20722), (1594, 12428), (1912, 10361), (3107, 6376), (3188, 6214)]