17653820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 21990820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 379, 548, 685, 758, 1370, 1516, 1895, 2329, 2740, 3790, 4658, 6443, 7580, 9316, 11645, 12886, 23290, 25772, 32215, 46580, 51923, 64430, 103846, 128860, 207692, 259615, 519230, 882691, 1038460, 1765382, 3530764, 4413455, 8826910, 17653820]

約数ペア:

[(1, 17653820), (2, 8826910), (4, 4413455), (5, 3530764), (10, 1765382), (17, 1038460), (20, 882691), (34, 519230), (68, 259615), (85, 207692), (137, 128860), (170, 103846), (274, 64430), (340, 51923), (379, 46580), (548, 32215), (685, 25772), (758, 23290), (1370, 12886), (1516, 11645), (1895, 9316), (2329, 7580), (2740, 6443), (3790, 4658)]