18164748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 51093504

約数和(自身を除く): 32928756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 47, 84, 86, 94, 107, 129, 141, 172, 188, 214, 258, 282, 301, 321, 329, 428, 516, 564, 602, 642, 658, 749, 903, 987, 1204, 1284, 1316, 1498, 1806, 1974, 2021, 2247, 2996, 3612, 3948, 4042, 4494, 4601, 5029, 6063, 8084, 8988, 9202, 10058, 12126, 13803, 14147, 15087, 18404, 20116, 24252, 27606, 28294, 30174, 32207, 35203, 42441, 55212, 56588, 60348, 64414, 70406, 84882, 96621, 105609, 128828, 140812, 169764, 193242, 211218, 216247, 386484, 422436, 432494, 648741, 864988, 1297482, 1513729, 2594964, 3027458, 4541187, 6054916, 9082374, 18164748]

約数ペア:

[(1, 18164748), (2, 9082374), (3, 6054916), (4, 4541187), (6, 3027458), (7, 2594964), (12, 1513729), (14, 1297482), (21, 864988), (28, 648741), (42, 432494), (43, 422436), (47, 386484), (84, 216247), (86, 211218), (94, 193242), (107, 169764), (129, 140812), (141, 128828), (172, 105609), (188, 96621), (214, 84882), (258, 70406), (282, 64414), (301, 60348), (321, 56588), (329, 55212), (428, 42441), (516, 35203), (564, 32207), (602, 30174), (642, 28294), (658, 27606), (749, 24252), (903, 20116), (987, 18404), (1204, 15087), (1284, 14147), (1316, 13803), (1498, 12126), (1806, 10058), (1974, 9202), (2021, 8988), (2247, 8084), (2996, 6063), (3612, 5029), (3948, 4601), (4042, 4494)]