19743664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2503}}^1$

素因数の和:2557

約数の個数: 40

約数和(自身を含む): 41916960

約数和(自身を除く): 22173296

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2503, 3944, 5006, 7888, 10012, 20024, 40048, 42551, 72587, 85102, 145174, 170204, 290348, 340408, 580696, 680816, 1161392, 1233979, 2467958, 4935916, 9871832, 19743664]

約数ペア:

[(1, 19743664), (2, 9871832), (4, 4935916), (8, 2467958), (16, 1233979), (17, 1161392), (29, 680816), (34, 580696), (58, 340408), (68, 290348), (116, 170204), (136, 145174), (232, 85102), (272, 72587), (464, 42551), (493, 40048), (986, 20024), (1972, 10012), (2503, 7888), (3944, 5006)]