18957276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40507}}^1$

素因数の和:40530

約数の個数: 36

約数和(自身を含む): 51607192

約数和(自身を除く): 32649916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40507, 81014, 121521, 162028, 243042, 364563, 486084, 526591, 729126, 1053182, 1458252, 1579773, 2106364, 3159546, 4739319, 6319092, 9478638, 18957276]

約数ペア:

[(1, 18957276), (2, 9478638), (3, 6319092), (4, 4739319), (6, 3159546), (9, 2106364), (12, 1579773), (13, 1458252), (18, 1053182), (26, 729126), (36, 526591), (39, 486084), (52, 364563), (78, 243042), (117, 162028), (156, 121521), (234, 81014), (468, 40507)]