18930291276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{65629}}^1$

素因数の和:65735

約数の個数: 72

約数和(自身を含む): 48701135280

約数和(自身を除く): 29770844004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 1849, 2236, 3354, 3698, 5547, 6708, 7396, 11094, 22188, 24037, 48074, 65629, 72111, 96148, 131258, 144222, 196887, 262516, 288444, 393774, 787548, 853177, 1706354, 2559531, 2822047, 3412708, 5119062, 5644094, 8466141, 10238124, 11288188, 16932282, 33864564, 36686611, 73373222, 110059833, 121348021, 146746444, 220119666, 242696042, 364044063, 440239332, 485392084, 728088126, 1456176252, 1577524273, 3155048546, 4732572819, 6310097092, 9465145638, 18930291276]

約数ペア:

[(1, 18930291276), (2, 9465145638), (3, 6310097092), (4, 4732572819), (6, 3155048546), (12, 1577524273), (13, 1456176252), (26, 728088126), (39, 485392084), (43, 440239332), (52, 364044063), (78, 242696042), (86, 220119666), (129, 146746444), (156, 121348021), (172, 110059833), (258, 73373222), (516, 36686611), (559, 33864564), (1118, 16932282), (1677, 11288188), (1849, 10238124), (2236, 8466141), (3354, 5644094), (3698, 5119062), (5547, 3412708), (6708, 2822047), (7396, 2559531), (11094, 1706354), (22188, 853177), (24037, 787548), (48074, 393774), (65629, 288444), (72111, 262516), (96148, 196887), (131258, 144222)]