19500120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54167}}^1$

素因数の和:54184

約数の個数: 48

約数和(自身を含む): 63376560

約数和(自身を除く): 43876440

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, 54167, 108334, 162501, 216668, 270835, 325002, 433336, 487503, 541670, 650004, 812505, 975006, 1083340, 1300008, 1625010, 1950012, 2166680, 2437515, 3250020, 3900024, 4875030, 6500040, 9750060, 19500120]

約数ペア:

[(1, 19500120), (2, 9750060), (3, 6500040), (4, 4875030), (5, 3900024), (6, 3250020), (8, 2437515), (9, 2166680), (10, 1950012), (12, 1625010), (15, 1300008), (18, 1083340), (20, 975006), (24, 812505), (30, 650004), (36, 541670), (40, 487503), (45, 433336), (60, 325002), (72, 270835), (90, 216668), (120, 162501), (180, 108334), (360, 54167)]