18724212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40009}}^1$

素因数の和:40032

約数の個数: 36

約数和(自身を含む): 50972740

約数和(自身を除く): 32248528

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40009, 80018, 120027, 160036, 240054, 360081, 480108, 520117, 720162, 1040234, 1440324, 1560351, 2080468, 3120702, 4681053, 6241404, 9362106, 18724212]

約数ペア:

[(1, 18724212), (2, 9362106), (3, 6241404), (4, 4681053), (6, 3120702), (9, 2080468), (12, 1560351), (13, 1440324), (18, 1040234), (26, 720162), (36, 520117), (39, 480108), (52, 360081), (78, 240054), (117, 160036), (156, 120027), (234, 80018), (468, 40009)]