23643980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 53518080

約数和(自身を除く): 29874100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1447, 1634, 2894, 3268, 4085, 5788, 7235, 8170, 14470, 16340, 27493, 28940, 54986, 62221, 109972, 124442, 137465, 248884, 274930, 311105, 549860, 622210, 1182199, 1244420, 2364398, 4728796, 5910995, 11821990, 23643980]

約数ペア:

[(1, 23643980), (2, 11821990), (4, 5910995), (5, 4728796), (10, 2364398), (19, 1244420), (20, 1182199), (38, 622210), (43, 549860), (76, 311105), (86, 274930), (95, 248884), (172, 137465), (190, 124442), (215, 109972), (380, 62221), (430, 54986), (817, 28940), (860, 27493), (1447, 16340), (1634, 14470), (2894, 8170), (3268, 7235), (4085, 5788)]