18443990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 16150570

約数列:

[1, 2, 5, 10, 43, 59, 86, 118, 215, 295, 430, 590, 727, 1454, 2537, 3635, 5074, 7270, 12685, 25370, 31261, 42893, 62522, 85786, 156305, 214465, 312610, 428930, 1844399, 3688798, 9221995, 18443990]

約数ペア:

[(1, 18443990), (2, 9221995), (5, 3688798), (10, 1844399), (43, 428930), (59, 312610), (86, 214465), (118, 156305), (215, 85786), (295, 62522), (430, 42893), (590, 31261), (727, 25370), (1454, 12685), (2537, 7270), (3635, 5074)]