19485160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6673}}^1$

素因数の和:6757

約数の個数: 32

約数和(自身を含む): 44448840

約数和(自身を除く): 24963680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6673, 13346, 26692, 33365, 53384, 66730, 133460, 266920, 487129, 974258, 1948516, 2435645, 3897032, 4871290, 9742580, 19485160]

約数ペア:

[(1, 19485160), (2, 9742580), (4, 4871290), (5, 3897032), (8, 2435645), (10, 1948516), (20, 974258), (40, 487129), (73, 266920), (146, 133460), (292, 66730), (365, 53384), (584, 33365), (730, 26692), (1460, 13346), (2920, 6673)]