18442216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{463}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 37416960

約数和(自身を除く): 18974744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 383, 463, 766, 926, 1532, 1852, 3064, 3704, 4979, 6019, 9958, 12038, 19916, 24076, 39832, 48152, 177329, 354658, 709316, 1418632, 2305277, 4610554, 9221108, 18442216]

約数ペア:

[(1, 18442216), (2, 9221108), (4, 4610554), (8, 2305277), (13, 1418632), (26, 709316), (52, 354658), (104, 177329), (383, 48152), (463, 39832), (766, 24076), (926, 19916), (1532, 12038), (1852, 9958), (3064, 6019), (3704, 4979)]