19791512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4049}}^1$

素因数の和:4115

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 21032488

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4049, 4888, 8098, 16196, 32392, 52637, 105274, 190303, 210548, 380606, 421096, 761212, 1522424, 2473939, 4947878, 9895756, 19791512]

約数ペア:

[(1, 19791512), (2, 9895756), (4, 4947878), (8, 2473939), (13, 1522424), (26, 761212), (47, 421096), (52, 380606), (94, 210548), (104, 190303), (188, 105274), (376, 52637), (611, 32392), (1222, 16196), (2444, 8098), (4049, 4888)]