18159516

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 48921600

約数和(自身を除く): 30762084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 191, 228, 278, 342, 382, 417, 556, 573, 684, 764, 834, 1146, 1251, 1668, 1719, 2292, 2502, 2641, 3438, 3629, 5004, 5282, 6876, 7258, 7923, 10564, 10887, 14516, 15846, 21774, 23769, 26549, 31692, 32661, 43548, 47538, 53098, 65322, 79647, 95076, 106196, 130644, 159294, 238941, 318588, 477882, 504431, 955764, 1008862, 1513293, 2017724, 3026586, 4539879, 6053172, 9079758, 18159516]

約数ペア:

[(1, 18159516), (2, 9079758), (3, 6053172), (4, 4539879), (6, 3026586), (9, 2017724), (12, 1513293), (18, 1008862), (19, 955764), (36, 504431), (38, 477882), (57, 318588), (76, 238941), (114, 159294), (139, 130644), (171, 106196), (191, 95076), (228, 79647), (278, 65322), (342, 53098), (382, 47538), (417, 43548), (556, 32661), (573, 31692), (684, 26549), (764, 23769), (834, 21774), (1146, 15846), (1251, 14516), (1668, 10887), (1719, 10564), (2292, 7923), (2502, 7258), (2641, 6876), (3438, 5282), (3629, 5004)]