17815538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 12182542

約数列:

[1, 2, 13, 26, 47, 61, 94, 122, 239, 478, 611, 793, 1222, 1586, 2867, 3107, 5734, 6214, 11233, 14579, 22466, 29158, 37271, 74542, 146029, 189527, 292058, 379054, 685213, 1370426, 8907769, 17815538]

約数ペア:

[(1, 17815538), (2, 8907769), (13, 1370426), (26, 685213), (47, 379054), (61, 292058), (94, 189527), (122, 146029), (239, 74542), (478, 37271), (611, 29158), (793, 22466), (1222, 14579), (1586, 11233), (2867, 6214), (3107, 5734)]