19913408

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10037}}^1$

素因数の和:10080

約数の個数: 28

約数和(自身を含む): 40794432

約数和(自身を除く): 20881024

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10037, 20074, 40148, 80296, 160592, 311147, 321184, 622294, 642368, 1244588, 2489176, 4978352, 9956704, 19913408]

約数ペア:

[(1, 19913408), (2, 9956704), (4, 4978352), (8, 2489176), (16, 1244588), (31, 642368), (32, 622294), (62, 321184), (64, 311147), (124, 160592), (248, 80296), (496, 40148), (992, 20074), (1984, 10037)]