19526320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22189}}^1$

素因数の和:22213

約数の個数: 40

約数和(自身を含む): 49528080

約数和(自身を除く): 30001760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22189, 44378, 88756, 110945, 177512, 221890, 244079, 355024, 443780, 488158, 887560, 976316, 1220395, 1775120, 1952632, 2440790, 3905264, 4881580, 9763160, 19526320]

約数ペア:

[(1, 19526320), (2, 9763160), (4, 4881580), (5, 3905264), (8, 2440790), (10, 1952632), (11, 1775120), (16, 1220395), (20, 976316), (22, 887560), (40, 488158), (44, 443780), (55, 355024), (80, 244079), (88, 221890), (110, 177512), (176, 110945), (220, 88756), (440, 44378), (880, 22189)]