18626660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2364

約数の個数: 48

約数和(自身を含む): 43502592

約数和(自身を除く): 24875932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2311, 4030, 4622, 8060, 9244, 11555, 23110, 30043, 46220, 60086, 71641, 120172, 143282, 150215, 286564, 300430, 358205, 600860, 716410, 931333, 1432820, 1862666, 3725332, 4656665, 9313330, 18626660]

約数ペア:

[(1, 18626660), (2, 9313330), (4, 4656665), (5, 3725332), (10, 1862666), (13, 1432820), (20, 931333), (26, 716410), (31, 600860), (52, 358205), (62, 300430), (65, 286564), (124, 150215), (130, 143282), (155, 120172), (260, 71641), (310, 60086), (403, 46220), (620, 30043), (806, 23110), (1612, 11555), (2015, 9244), (2311, 8060), (4030, 4622)]