19912320753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1\times {\mathrm{22679}}^1$

素因数の和:23221

約数の個数: 32

約数和(自身を含む): 29262643200

約数和(自身を除く): 9350322447

約数列:

[1, 3, 13, 39, 47, 141, 479, 611, 1437, 1833, 6227, 18681, 22513, 22679, 67539, 68037, 292669, 294827, 878007, 884481, 1065913, 3197739, 10863241, 13856869, 32589723, 41570607, 141222133, 423666399, 510572327, 1531716981, 6637440251, 19912320753]

約数ペア:

[(1, 19912320753), (3, 6637440251), (13, 1531716981), (39, 510572327), (47, 423666399), (141, 141222133), (479, 41570607), (611, 32589723), (1437, 13856869), (1833, 10863241), (6227, 3197739), (18681, 1065913), (22513, 884481), (22679, 878007), (67539, 294827), (68037, 292669)]