18156492

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 48384336

約数和(自身を除く): 30227844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 317, 333, 387, 444, 516, 634, 666, 774, 951, 1268, 1332, 1548, 1591, 1902, 2853, 3182, 3804, 4773, 5706, 6364, 9546, 11412, 11729, 13631, 14319, 19092, 23458, 27262, 28638, 35187, 40893, 46916, 54524, 57276, 70374, 81786, 105561, 122679, 140748, 163572, 211122, 245358, 422244, 490716, 504347, 1008694, 1513041, 2017388, 3026082, 4539123, 6052164, 9078246, 18156492]

約数ペア:

[(1, 18156492), (2, 9078246), (3, 6052164), (4, 4539123), (6, 3026082), (9, 2017388), (12, 1513041), (18, 1008694), (36, 504347), (37, 490716), (43, 422244), (74, 245358), (86, 211122), (111, 163572), (129, 140748), (148, 122679), (172, 105561), (222, 81786), (258, 70374), (317, 57276), (333, 54524), (387, 46916), (444, 40893), (516, 35187), (634, 28638), (666, 27262), (774, 23458), (951, 19092), (1268, 14319), (1332, 13631), (1548, 11729), (1591, 11412), (1902, 9546), (2853, 6364), (3182, 5706), (3804, 4773)]