18917690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{751}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 37359360

約数和(自身を除く): 18441670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 229, 458, 751, 1145, 1502, 2290, 2519, 3755, 5038, 7510, 8261, 12595, 16522, 25190, 41305, 82610, 171979, 343958, 859895, 1719790, 1891769, 3783538, 9458845, 18917690]

約数ペア:

[(1, 18917690), (2, 9458845), (5, 3783538), (10, 1891769), (11, 1719790), (22, 859895), (55, 343958), (110, 171979), (229, 82610), (458, 41305), (751, 25190), (1145, 16522), (1502, 12595), (2290, 8261), (2519, 7510), (3755, 5038)]