19898624

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4126

約数の個数: 36

約数和(自身を含む): 41820240

約数和(自身を除く): 21921616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4091, 4864, 8182, 16364, 32728, 65456, 77729, 130912, 155458, 261824, 310916, 523648, 621832, 1047296, 1243664, 2487328, 4974656, 9949312, 19898624]

約数ペア:

[(1, 19898624), (2, 9949312), (4, 4974656), (8, 2487328), (16, 1243664), (19, 1047296), (32, 621832), (38, 523648), (64, 310916), (76, 261824), (128, 155458), (152, 130912), (256, 77729), (304, 65456), (608, 32728), (1216, 16364), (2432, 8182), (4091, 4864)]