18700636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1021}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 34625360

約数和(自身を除く): 15924724

約数列:

[1, 2, 4, 19, 38, 76, 241, 482, 964, 1021, 2042, 4084, 4579, 9158, 18316, 19399, 38798, 77596, 246061, 492122, 984244, 4675159, 9350318, 18700636]

約数ペア:

[(1, 18700636), (2, 9350318), (4, 4675159), (19, 984244), (38, 492122), (76, 246061), (241, 77596), (482, 38798), (964, 19399), (1021, 18316), (2042, 9158), (4084, 4579)]