18936240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78901}}^1$

素因数の和:78917

約数の個数: 40

約数和(自身を含む): 58703088

約数和(自身を除く): 39766848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78901, 157802, 236703, 315604, 394505, 473406, 631208, 789010, 946812, 1183515, 1262416, 1578020, 1893624, 2367030, 3156040, 3787248, 4734060, 6312080, 9468120, 18936240]

約数ペア:

[(1, 18936240), (2, 9468120), (3, 6312080), (4, 4734060), (5, 3787248), (6, 3156040), (8, 2367030), (10, 1893624), (12, 1578020), (15, 1262416), (16, 1183515), (20, 946812), (24, 789010), (30, 631208), (40, 473406), (48, 394505), (60, 315604), (80, 236703), (120, 157802), (240, 78901)]