19112216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1579}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 38394000

約数和(自身を除く): 19281784

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1513, 1579, 3026, 3158, 6052, 6316, 12104, 12632, 26843, 53686, 107372, 140531, 214744, 281062, 562124, 1124248, 2389027, 4778054, 9556108, 19112216]

約数ペア:

[(1, 19112216), (2, 9556108), (4, 4778054), (8, 2389027), (17, 1124248), (34, 562124), (68, 281062), (89, 214744), (136, 140531), (178, 107372), (356, 53686), (712, 26843), (1513, 12632), (1579, 12104), (3026, 6316), (3158, 6052)]