18686520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{51907}}^1$

素因数の和:51924

約数の個数: 48

約数和(自身を含む): 60732360

約数和(自身を除く): 42045840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 51907, 103814, 155721, 207628, 259535, 311442, 415256, 467163, 519070, 622884, 778605, 934326, 1038140, 1245768, 1557210, 1868652, 2076280, 2335815, 3114420, 3737304, 4671630, 6228840, 9343260, 18686520]

約数ペア:

[(1, 18686520), (2, 9343260), (3, 6228840), (4, 4671630), (5, 3737304), (6, 3114420), (8, 2335815), (9, 2076280), (10, 1868652), (12, 1557210), (15, 1245768), (18, 1038140), (20, 934326), (24, 778605), (30, 622884), (36, 519070), (40, 467163), (45, 415256), (60, 311442), (72, 259535), (90, 207628), (120, 155721), (180, 103814), (360, 51907)]