1925538890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{221581}}^1$

素因数の和:221678

約数の個数: 32

約数和(自身を含む): 3828936960

約数和(自身を除く): 1903398070

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 221581, 443162, 1107905, 2215810, 2437391, 4874782, 12186955, 17504899, 24373910, 35009798, 87524495, 175048990, 192553889, 385107778, 962769445, 1925538890]

約数ペア:

[(1, 1925538890), (2, 962769445), (5, 385107778), (10, 192553889), (11, 175048990), (22, 87524495), (55, 35009798), (79, 24373910), (110, 17504899), (158, 12186955), (395, 4874782), (790, 2437391), (869, 2215810), (1738, 1107905), (4345, 443162), (8690, 221581)]