19864560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2237}}^1$

素因数の和:2290

約数の個数: 80

約数和(自身を含む): 63272736

約数和(自身を除く): 43408176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2237, 2960, 4440, 4474, 6711, 8880, 8948, 11185, 13422, 17896, 22370, 26844, 33555, 35792, 44740, 53688, 67110, 82769, 89480, 107376, 134220, 165538, 178960, 248307, 268440, 331076, 413845, 496614, 536880, 662152, 827690, 993228, 1241535, 1324304, 1655380, 1986456, 2483070, 3310760, 3972912, 4966140, 6621520, 9932280, 19864560]

約数ペア:

[(1, 19864560), (2, 9932280), (3, 6621520), (4, 4966140), (5, 3972912), (6, 3310760), (8, 2483070), (10, 1986456), (12, 1655380), (15, 1324304), (16, 1241535), (20, 993228), (24, 827690), (30, 662152), (37, 536880), (40, 496614), (48, 413845), (60, 331076), (74, 268440), (80, 248307), (111, 178960), (120, 165538), (148, 134220), (185, 107376), (222, 89480), (240, 82769), (296, 67110), (370, 53688), (444, 44740), (555, 35792), (592, 33555), (740, 26844), (888, 22370), (1110, 17896), (1480, 13422), (1776, 11185), (2220, 8948), (2237, 8880), (2960, 6711), (4440, 4474)]