18245060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 21974140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 379, 415, 580, 758, 830, 1516, 1660, 1895, 2407, 3790, 4814, 7580, 9628, 10991, 12035, 21982, 24070, 31457, 43964, 48140, 54955, 62914, 109910, 125828, 157285, 219820, 314570, 629140, 912253, 1824506, 3649012, 4561265, 9122530, 18245060]

約数ペア:

[(1, 18245060), (2, 9122530), (4, 4561265), (5, 3649012), (10, 1824506), (20, 912253), (29, 629140), (58, 314570), (83, 219820), (116, 157285), (145, 125828), (166, 109910), (290, 62914), (332, 54955), (379, 48140), (415, 43964), (580, 31457), (758, 24070), (830, 21982), (1516, 12035), (1660, 10991), (1895, 9628), (2407, 7580), (3790, 4814)]