18887704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3023}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 20303336

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3023, 3124, 6046, 6248, 12092, 24184, 33253, 66506, 133012, 214633, 266024, 429266, 858532, 1717064, 2360963, 4721926, 9443852, 18887704]

約数ペア:

[(1, 18887704), (2, 9443852), (4, 4721926), (8, 2360963), (11, 1717064), (22, 858532), (44, 429266), (71, 266024), (88, 214633), (142, 133012), (284, 66506), (568, 33253), (781, 24184), (1562, 12092), (3023, 6248), (3124, 6046)]