18496880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 46485120

約数和(自身を除く): 27988240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 283, 304, 344, 380, 430, 566, 688, 760, 817, 860, 1132, 1415, 1520, 1634, 1720, 2264, 2830, 3268, 3440, 4085, 4528, 5377, 5660, 6536, 8170, 10754, 11320, 12169, 13072, 16340, 21508, 22640, 24338, 26885, 32680, 43016, 48676, 53770, 60845, 65360, 86032, 97352, 107540, 121690, 194704, 215080, 231211, 243380, 430160, 462422, 486760, 924844, 973520, 1156055, 1849688, 2312110, 3699376, 4624220, 9248440, 18496880]

約数ペア:

[(1, 18496880), (2, 9248440), (4, 4624220), (5, 3699376), (8, 2312110), (10, 1849688), (16, 1156055), (19, 973520), (20, 924844), (38, 486760), (40, 462422), (43, 430160), (76, 243380), (80, 231211), (86, 215080), (95, 194704), (152, 121690), (172, 107540), (190, 97352), (215, 86032), (283, 65360), (304, 60845), (344, 53770), (380, 48676), (430, 43016), (566, 32680), (688, 26885), (760, 24338), (817, 22640), (860, 21508), (1132, 16340), (1415, 13072), (1520, 12169), (1634, 11320), (1720, 10754), (2264, 8170), (2830, 6536), (3268, 5660), (3440, 5377), (4085, 4528)]