18554580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9371}}^1$

素因数の和:9397

約数の個数: 72

約数和(自身を含む): 61405344

約数和(自身を除く): 42850764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9371, 18742, 28113, 37484, 46855, 56226, 84339, 93710, 103081, 112452, 140565, 168678, 187420, 206162, 281130, 309243, 337356, 412324, 421695, 515405, 562260, 618486, 843390, 927729, 1030810, 1236972, 1546215, 1686780, 1855458, 2061620, 3092430, 3710916, 4638645, 6184860, 9277290, 18554580]

約数ペア:

[(1, 18554580), (2, 9277290), (3, 6184860), (4, 4638645), (5, 3710916), (6, 3092430), (9, 2061620), (10, 1855458), (11, 1686780), (12, 1546215), (15, 1236972), (18, 1030810), (20, 927729), (22, 843390), (30, 618486), (33, 562260), (36, 515405), (44, 421695), (45, 412324), (55, 337356), (60, 309243), (66, 281130), (90, 206162), (99, 187420), (110, 168678), (132, 140565), (165, 112452), (180, 103081), (198, 93710), (220, 84339), (330, 56226), (396, 46855), (495, 37484), (660, 28113), (990, 18742), (1980, 9371)]