19557560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44449}}^1$

素因数の和:44471

約数の個数: 32

約数和(自身を含む): 48006000

約数和(自身を除く): 28448440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44449, 88898, 177796, 222245, 355592, 444490, 488939, 888980, 977878, 1777960, 1955756, 2444695, 3911512, 4889390, 9778780, 19557560]

約数ペア:

[(1, 19557560), (2, 9778780), (4, 4889390), (5, 3911512), (8, 2444695), (10, 1955756), (11, 1777960), (20, 977878), (22, 888980), (40, 488939), (44, 444490), (55, 355592), (88, 222245), (110, 177796), (220, 88898), (440, 44449)]