19581704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2741}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 39484800

約数和(自身を除く): 19903096

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 2741, 3572, 5482, 7144, 10964, 21928, 52079, 104158, 128827, 208316, 257654, 416632, 515308, 1030616, 2447713, 4895426, 9790852, 19581704]

約数ペア:

[(1, 19581704), (2, 9790852), (4, 4895426), (8, 2447713), (19, 1030616), (38, 515308), (47, 416632), (76, 257654), (94, 208316), (152, 128827), (188, 104158), (376, 52079), (893, 21928), (1786, 10964), (2741, 7144), (3572, 5482)]