18740808

素因数分解:

$2^3\times 3^4\times {\mathrm{28921}}^1$

素因数の和:28939

約数の個数: 40

約数和(自身を含む): 52493430

約数和(自身を除く): 33752622

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 28921, 57842, 86763, 115684, 173526, 231368, 260289, 347052, 520578, 694104, 780867, 1041156, 1561734, 2082312, 2342601, 3123468, 4685202, 6246936, 9370404, 18740808]

約数ペア:

[(1, 18740808), (2, 9370404), (3, 6246936), (4, 4685202), (6, 3123468), (8, 2342601), (9, 2082312), (12, 1561734), (18, 1041156), (24, 780867), (27, 694104), (36, 520578), (54, 347052), (72, 260289), (81, 231368), (108, 173526), (162, 115684), (216, 86763), (324, 57842), (648, 28921)]