18876120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 63244800

約数和(自身を除く): 44368680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 487, 510, 570, 646, 680, 760, 969, 974, 1020, 1140, 1292, 1461, 1615, 1938, 1948, 2040, 2280, 2435, 2584, 2922, 3230, 3876, 3896, 4845, 4870, 5844, 6460, 7305, 7752, 8279, 9253, 9690, 9740, 11688, 12920, 14610, 16558, 18506, 19380, 19480, 24837, 27759, 29220, 33116, 37012, 38760, 41395, 46265, 49674, 55518, 58440, 66232, 74024, 82790, 92530, 99348, 111036, 124185, 138795, 157301, 165580, 185060, 198696, 222072, 248370, 277590, 314602, 331160, 370120, 471903, 496740, 555180, 629204, 786505, 943806, 993480, 1110360, 1258408, 1573010, 1887612, 2359515, 3146020, 3775224, 4719030, 6292040, 9438060, 18876120]

約数ペア:

[(1, 18876120), (2, 9438060), (3, 6292040), (4, 4719030), (5, 3775224), (6, 3146020), (8, 2359515), (10, 1887612), (12, 1573010), (15, 1258408), (17, 1110360), (19, 993480), (20, 943806), (24, 786505), (30, 629204), (34, 555180), (38, 496740), (40, 471903), (51, 370120), (57, 331160), (60, 314602), (68, 277590), (76, 248370), (85, 222072), (95, 198696), (102, 185060), (114, 165580), (120, 157301), (136, 138795), (152, 124185), (170, 111036), (190, 99348), (204, 92530), (228, 82790), (255, 74024), (285, 66232), (323, 58440), (340, 55518), (380, 49674), (408, 46265), (456, 41395), (487, 38760), (510, 37012), (570, 33116), (646, 29220), (680, 27759), (760, 24837), (969, 19480), (974, 19380), (1020, 18506), (1140, 16558), (1292, 14610), (1461, 12920), (1615, 11688), (1938, 9740), (1948, 9690), (2040, 9253), (2280, 8279), (2435, 7752), (2584, 7305), (2922, 6460), (3230, 5844), (3876, 4870), (3896, 4845)]