19575090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1103

約数の個数: 48

約数和(自身を含む): 51150528

約数和(自身を除く): 31575438

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 263, 526, 789, 827, 1315, 1578, 1654, 2367, 2481, 2630, 3945, 4135, 4734, 4962, 7443, 7890, 8270, 11835, 12405, 14886, 23670, 24810, 37215, 74430, 217501, 435002, 652503, 1087505, 1305006, 1957509, 2175010, 3262515, 3915018, 6525030, 9787545, 19575090]

約数ペア:

[(1, 19575090), (2, 9787545), (3, 6525030), (5, 3915018), (6, 3262515), (9, 2175010), (10, 1957509), (15, 1305006), (18, 1087505), (30, 652503), (45, 435002), (90, 217501), (263, 74430), (526, 37215), (789, 24810), (827, 23670), (1315, 14886), (1578, 12405), (1654, 11835), (2367, 8270), (2481, 7890), (2630, 7443), (3945, 4962), (4135, 4734)]