19659250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 41513472

約数和(自身を除く): 21854222

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 125, 130, 230, 250, 263, 299, 325, 526, 575, 598, 650, 1150, 1315, 1495, 1625, 2630, 2875, 2990, 3250, 3419, 5750, 6049, 6575, 6838, 7475, 12098, 13150, 14950, 17095, 30245, 32875, 34190, 37375, 60490, 65750, 74750, 78637, 85475, 151225, 157274, 170950, 302450, 393185, 427375, 756125, 786370, 854750, 1512250, 1965925, 3931850, 9829625, 19659250]

約数ペア:

[(1, 19659250), (2, 9829625), (5, 3931850), (10, 1965925), (13, 1512250), (23, 854750), (25, 786370), (26, 756125), (46, 427375), (50, 393185), (65, 302450), (115, 170950), (125, 157274), (130, 151225), (230, 85475), (250, 78637), (263, 74750), (299, 65750), (325, 60490), (526, 37375), (575, 34190), (598, 32875), (650, 30245), (1150, 17095), (1315, 14950), (1495, 13150), (1625, 12098), (2630, 7475), (2875, 6838), (2990, 6575), (3250, 6049), (3419, 5750)]