18543890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 35320320

約数和(自身を除く): 16776430

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1459, 2542, 2918, 6355, 7295, 12710, 14590, 45229, 59819, 90458, 119638, 226145, 299095, 452290, 598190, 1854389, 3708778, 9271945, 18543890]

約数ペア:

[(1, 18543890), (2, 9271945), (5, 3708778), (10, 1854389), (31, 598190), (41, 452290), (62, 299095), (82, 226145), (155, 119638), (205, 90458), (310, 59819), (410, 45229), (1271, 14590), (1459, 12710), (2542, 7295), (2918, 6355)]