18118996

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 37699200

約数和(自身を除く): 19580204

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 101, 149, 172, 202, 298, 301, 404, 596, 602, 707, 1043, 1204, 1414, 2086, 2828, 4172, 4343, 6407, 8686, 12814, 15049, 17372, 25628, 30098, 30401, 44849, 60196, 60802, 89698, 105343, 121604, 179396, 210686, 421372, 647107, 1294214, 2588428, 4529749, 9059498, 18118996]

約数ペア:

[(1, 18118996), (2, 9059498), (4, 4529749), (7, 2588428), (14, 1294214), (28, 647107), (43, 421372), (86, 210686), (101, 179396), (149, 121604), (172, 105343), (202, 89698), (298, 60802), (301, 60196), (404, 44849), (596, 30401), (602, 30098), (707, 25628), (1043, 17372), (1204, 15049), (1414, 12814), (2086, 8686), (2828, 6407), (4172, 4343)]