1243664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4118

約数の個数: 20

約数和(自身を含む): 2537040

約数和(自身を除く): 1293376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4091, 8182, 16364, 32728, 65456, 77729, 155458, 310916, 621832, 1243664]

約数ペア:

[(1, 1243664), (2, 621832), (4, 310916), (8, 155458), (16, 77729), (19, 65456), (38, 32728), (76, 16364), (152, 8182), (304, 4091)]