2018193580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{56659}}^1$

素因数の和:56818

約数の個数: 48

約数和(自身を含む): 4597619040

約数和(自身を除く): 2579425460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8905, 17810, 35620, 56659, 113318, 226636, 283295, 566590, 736567, 1133180, 1473134, 2946268, 3682835, 7365670, 7762283, 14731340, 15524566, 31049132, 38811415, 77622830, 100909679, 155245660, 201819358, 403638716, 504548395, 1009096790, 2018193580]

約数ペア:

[(1, 2018193580), (2, 1009096790), (4, 504548395), (5, 403638716), (10, 201819358), (13, 155245660), (20, 100909679), (26, 77622830), (52, 38811415), (65, 31049132), (130, 15524566), (137, 14731340), (260, 7762283), (274, 7365670), (548, 3682835), (685, 2946268), (1370, 1473134), (1781, 1133180), (2740, 736567), (3562, 566590), (7124, 283295), (8905, 226636), (17810, 113318), (35620, 56659)]