2019111320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{4159}}^1$

素因数の和:4452

約数の個数: 64

約数和(自身を含む): 4650048000

約数和(自身を除く): 2630936680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 229, 265, 424, 458, 530, 916, 1060, 1145, 1832, 2120, 2290, 4159, 4580, 8318, 9160, 12137, 16636, 20795, 24274, 33272, 41590, 48548, 60685, 83180, 97096, 121370, 166360, 220427, 242740, 440854, 485480, 881708, 952411, 1102135, 1763416, 1904822, 2204270, 3809644, 4408540, 4762055, 7619288, 8817080, 9524110, 19048220, 38096440, 50477783, 100955566, 201911132, 252388915, 403822264, 504777830, 1009555660, 2019111320]

約数ペア:

[(1, 2019111320), (2, 1009555660), (4, 504777830), (5, 403822264), (8, 252388915), (10, 201911132), (20, 100955566), (40, 50477783), (53, 38096440), (106, 19048220), (212, 9524110), (229, 8817080), (265, 7619288), (424, 4762055), (458, 4408540), (530, 3809644), (916, 2204270), (1060, 1904822), (1145, 1763416), (1832, 1102135), (2120, 952411), (2290, 881708), (4159, 485480), (4580, 440854), (8318, 242740), (9160, 220427), (12137, 166360), (16636, 121370), (20795, 97096), (24274, 83180), (33272, 60685), (41590, 48548)]