19453330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 37997568

約数和(自身を除く): 18544238

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 991, 1510, 1963, 1982, 3926, 4955, 9815, 9910, 12883, 19630, 25766, 64415, 128830, 149641, 299282, 748205, 1496410, 1945333, 3890666, 9726665, 19453330]

約数ペア:

[(1, 19453330), (2, 9726665), (5, 3890666), (10, 1945333), (13, 1496410), (26, 748205), (65, 299282), (130, 149641), (151, 128830), (302, 64415), (755, 25766), (991, 19630), (1510, 12883), (1963, 9910), (1982, 9815), (3926, 4955)]