19272440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43801}}^1$

素因数の和:43823

約数の個数: 32

約数和(自身を含む): 47306160

約数和(自身を除く): 28033720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43801, 87602, 175204, 219005, 350408, 438010, 481811, 876020, 963622, 1752040, 1927244, 2409055, 3854488, 4818110, 9636220, 19272440]

約数ペア:

[(1, 19272440), (2, 9636220), (4, 4818110), (5, 3854488), (8, 2409055), (10, 1927244), (11, 1752040), (20, 963622), (22, 876020), (40, 481811), (44, 438010), (55, 350408), (88, 219005), (110, 175204), (220, 87602), (440, 43801)]