19559320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44453}}^1$

素因数の和:44475

約数の個数: 32

約数和(自身を含む): 48010320

約数和(自身を除く): 28451000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44453, 88906, 177812, 222265, 355624, 444530, 488983, 889060, 977966, 1778120, 1955932, 2444915, 3911864, 4889830, 9779660, 19559320]

約数ペア:

[(1, 19559320), (2, 9779660), (4, 4889830), (5, 3911864), (8, 2444915), (10, 1955932), (11, 1778120), (20, 977966), (22, 889060), (40, 488983), (44, 444530), (55, 355624), (88, 222265), (110, 177812), (220, 88906), (440, 44453)]