18745902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4021}}^1$

素因数の和:4073

約数の個数: 48

約数和(自身を含む): 47684832

約数和(自身を除く): 28938930

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4021, 4662, 8042, 12063, 24126, 28147, 36189, 56294, 72378, 84441, 148777, 168882, 253323, 297554, 446331, 506646, 892662, 1041439, 1338993, 2082878, 2677986, 3124317, 6248634, 9372951, 18745902]

約数ペア:

[(1, 18745902), (2, 9372951), (3, 6248634), (6, 3124317), (7, 2677986), (9, 2082878), (14, 1338993), (18, 1041439), (21, 892662), (37, 506646), (42, 446331), (63, 297554), (74, 253323), (111, 168882), (126, 148777), (222, 84441), (259, 72378), (333, 56294), (518, 36189), (666, 28147), (777, 24126), (1554, 12063), (2331, 8042), (4021, 4662)]