18220090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 40497408

約数和(自身を除く): 22277318

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 61, 70, 85, 119, 122, 170, 238, 251, 305, 427, 502, 595, 610, 854, 1037, 1190, 1255, 1757, 2074, 2135, 2510, 3514, 4267, 4270, 5185, 7259, 8534, 8785, 10370, 14518, 15311, 17570, 21335, 29869, 30622, 36295, 42670, 59738, 72590, 76555, 107177, 149345, 153110, 214354, 260287, 298690, 520574, 535885, 1071770, 1301435, 1822009, 2602870, 3644018, 9110045, 18220090]

約数ペア:

[(1, 18220090), (2, 9110045), (5, 3644018), (7, 2602870), (10, 1822009), (14, 1301435), (17, 1071770), (34, 535885), (35, 520574), (61, 298690), (70, 260287), (85, 214354), (119, 153110), (122, 149345), (170, 107177), (238, 76555), (251, 72590), (305, 59738), (427, 42670), (502, 36295), (595, 30622), (610, 29869), (854, 21335), (1037, 17570), (1190, 15311), (1255, 14518), (1757, 10370), (2074, 8785), (2135, 8534), (2510, 7259), (3514, 5185), (4267, 4270)]