18437796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{39397}}^1$

素因数の和:39420

約数の個数: 36

約数和(自身を含む): 50193052

約数和(自身を除く): 31755256

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 39397, 78794, 118191, 157588, 236382, 354573, 472764, 512161, 709146, 1024322, 1418292, 1536483, 2048644, 3072966, 4609449, 6145932, 9218898, 18437796]

約数ペア:

[(1, 18437796), (2, 9218898), (3, 6145932), (4, 4609449), (6, 3072966), (9, 2048644), (12, 1536483), (13, 1418292), (18, 1024322), (26, 709146), (36, 512161), (39, 472764), (52, 354573), (78, 236382), (117, 157588), (156, 118191), (234, 78794), (468, 39397)]