18785496

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 48787200

約数和(自身を除く): 30001704

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 109, 129, 167, 172, 218, 258, 327, 334, 344, 436, 501, 516, 654, 668, 872, 1002, 1032, 1308, 1336, 2004, 2616, 4008, 4687, 7181, 9374, 14061, 14362, 18203, 18748, 21543, 28122, 28724, 36406, 37496, 43086, 54609, 56244, 57448, 72812, 86172, 109218, 112488, 145624, 172344, 218436, 436872, 782729, 1565458, 2348187, 3130916, 4696374, 6261832, 9392748, 18785496]

約数ペア:

[(1, 18785496), (2, 9392748), (3, 6261832), (4, 4696374), (6, 3130916), (8, 2348187), (12, 1565458), (24, 782729), (43, 436872), (86, 218436), (109, 172344), (129, 145624), (167, 112488), (172, 109218), (218, 86172), (258, 72812), (327, 57448), (334, 56244), (344, 54609), (436, 43086), (501, 37496), (516, 36406), (654, 28724), (668, 28122), (872, 21543), (1002, 18748), (1032, 18203), (1308, 14362), (1336, 14061), (2004, 9374), (2616, 7181), (4008, 4687)]