18325990

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 34020000

約数和(自身を除く): 15694010

約数列:

[1, 2, 5, 10, 59, 89, 118, 178, 295, 349, 445, 590, 698, 890, 1745, 3490, 5251, 10502, 20591, 26255, 31061, 41182, 52510, 62122, 102955, 155305, 205910, 310610, 1832599, 3665198, 9162995, 18325990]

約数ペア:

[(1, 18325990), (2, 9162995), (5, 3665198), (10, 1832599), (59, 310610), (89, 205910), (118, 155305), (178, 102955), (295, 62122), (349, 52510), (445, 41182), (590, 31061), (698, 26255), (890, 20591), (1745, 10502), (3490, 5251)]