18705150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 50748984

約数和(自身を除く): 32043834

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 197, 211, 225, 394, 422, 450, 591, 633, 985, 1055, 1182, 1266, 1773, 1899, 1970, 2110, 2955, 3165, 3546, 3798, 4925, 5275, 5910, 6330, 8865, 9495, 9850, 10550, 14775, 15825, 17730, 18990, 29550, 31650, 41567, 44325, 47475, 83134, 88650, 94950, 124701, 207835, 249402, 374103, 415670, 623505, 748206, 1039175, 1247010, 1870515, 2078350, 3117525, 3741030, 6235050, 9352575, 18705150]

約数ペア:

[(1, 18705150), (2, 9352575), (3, 6235050), (5, 3741030), (6, 3117525), (9, 2078350), (10, 1870515), (15, 1247010), (18, 1039175), (25, 748206), (30, 623505), (45, 415670), (50, 374103), (75, 249402), (90, 207835), (150, 124701), (197, 94950), (211, 88650), (225, 83134), (394, 47475), (422, 44325), (450, 41567), (591, 31650), (633, 29550), (985, 18990), (1055, 17730), (1182, 15825), (1266, 14775), (1773, 10550), (1899, 9850), (1970, 9495), (2110, 8865), (2955, 6330), (3165, 5910), (3546, 5275), (3798, 4925)]