18489420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1741}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 57067920

約数和(自身を除く): 38578500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1741, 1770, 2124, 2655, 3482, 3540, 5223, 5310, 6964, 8705, 10446, 10620, 15669, 17410, 20892, 26115, 31338, 34820, 52230, 62676, 78345, 102719, 104460, 156690, 205438, 308157, 313380, 410876, 513595, 616314, 924471, 1027190, 1232628, 1540785, 1848942, 2054380, 3081570, 3697884, 4622355, 6163140, 9244710, 18489420]

約数ペア:

[(1, 18489420), (2, 9244710), (3, 6163140), (4, 4622355), (5, 3697884), (6, 3081570), (9, 2054380), (10, 1848942), (12, 1540785), (15, 1232628), (18, 1027190), (20, 924471), (30, 616314), (36, 513595), (45, 410876), (59, 313380), (60, 308157), (90, 205438), (118, 156690), (177, 104460), (180, 102719), (236, 78345), (295, 62676), (354, 52230), (531, 34820), (590, 31338), (708, 26115), (885, 20892), (1062, 17410), (1180, 15669), (1741, 10620), (1770, 10446), (2124, 8705), (2655, 6964), (3482, 5310), (3540, 5223)]