19768280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4153}}^1$

素因数の和:4188

約数の個数: 64

約数和(自身を含む): 53835840

約数和(自身を除く): 34067560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4153, 4760, 8306, 16612, 20765, 29071, 33224, 41530, 58142, 70601, 83060, 116284, 141202, 145355, 166120, 232568, 282404, 290710, 353005, 494207, 564808, 581420, 706010, 988414, 1162840, 1412020, 1976828, 2471035, 2824040, 3953656, 4942070, 9884140, 19768280]

約数ペア:

[(1, 19768280), (2, 9884140), (4, 4942070), (5, 3953656), (7, 2824040), (8, 2471035), (10, 1976828), (14, 1412020), (17, 1162840), (20, 988414), (28, 706010), (34, 581420), (35, 564808), (40, 494207), (56, 353005), (68, 290710), (70, 282404), (85, 232568), (119, 166120), (136, 145355), (140, 141202), (170, 116284), (238, 83060), (280, 70601), (340, 58142), (476, 41530), (595, 33224), (680, 29071), (952, 20765), (1190, 16612), (2380, 8306), (4153, 4760)]