18609540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7213}}^1$

素因数の和:7268

約数の個数: 48

約数和(自身を含む): 53325888

約数和(自身を除く): 34716348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7213, 14426, 21639, 28852, 36065, 43278, 72130, 86556, 108195, 144260, 216390, 310159, 432780, 620318, 930477, 1240636, 1550795, 1860954, 3101590, 3721908, 4652385, 6203180, 9304770, 18609540]

約数ペア:

[(1, 18609540), (2, 9304770), (3, 6203180), (4, 4652385), (5, 3721908), (6, 3101590), (10, 1860954), (12, 1550795), (15, 1240636), (20, 930477), (30, 620318), (43, 432780), (60, 310159), (86, 216390), (129, 144260), (172, 108195), (215, 86556), (258, 72130), (430, 43278), (516, 36065), (645, 28852), (860, 21639), (1290, 14426), (2580, 7213)]