18927808

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{3323}}^1$

素因数の和:3424

約数の個数: 28

約数和(自身を含む): 37993320

約数和(自身を除く): 19065512

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2848, 3323, 5696, 6646, 13292, 26584, 53168, 106336, 212672, 295747, 591494, 1182988, 2365976, 4731952, 9463904, 18927808]

約数ペア:

[(1, 18927808), (2, 9463904), (4, 4731952), (8, 2365976), (16, 1182988), (32, 591494), (64, 295747), (89, 212672), (178, 106336), (356, 53168), (712, 26584), (1424, 13292), (2848, 6646), (3323, 5696)]