19008440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43201}}^1$

素因数の和:43223

約数の個数: 32

約数和(自身を含む): 46658160

約数和(自身を除く): 27649720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43201, 86402, 172804, 216005, 345608, 432010, 475211, 864020, 950422, 1728040, 1900844, 2376055, 3801688, 4752110, 9504220, 19008440]

約数ペア:

[(1, 19008440), (2, 9504220), (4, 4752110), (5, 3801688), (8, 2376055), (10, 1900844), (11, 1728040), (20, 950422), (22, 864020), (40, 475211), (44, 432010), (55, 345608), (88, 216005), (110, 172804), (220, 86402), (440, 43201)]