19442720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11047}}^1$

素因数の和:11073

約数の個数: 48

約数和(自身を含む): 50113728

約数和(自身を除く): 30671008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11047, 22094, 44188, 55235, 88376, 110470, 121517, 176752, 220940, 243034, 353504, 441880, 486068, 607585, 883760, 972136, 1215170, 1767520, 1944272, 2430340, 3888544, 4860680, 9721360, 19442720]

約数ペア:

[(1, 19442720), (2, 9721360), (4, 4860680), (5, 3888544), (8, 2430340), (10, 1944272), (11, 1767520), (16, 1215170), (20, 972136), (22, 883760), (32, 607585), (40, 486068), (44, 441880), (55, 353504), (80, 243034), (88, 220940), (110, 176752), (160, 121517), (176, 110470), (220, 88376), (352, 55235), (440, 44188), (880, 22094), (1760, 11047)]