19266440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 47530800

約数和(自身を除く): 28264360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 977, 986, 1160, 1954, 1972, 2465, 3908, 3944, 4885, 4930, 7816, 9770, 9860, 16609, 19540, 19720, 28333, 33218, 39080, 56666, 66436, 83045, 113332, 132872, 141665, 166090, 226664, 283330, 332180, 481661, 566660, 664360, 963322, 1133320, 1926644, 2408305, 3853288, 4816610, 9633220, 19266440]

約数ペア:

[(1, 19266440), (2, 9633220), (4, 4816610), (5, 3853288), (8, 2408305), (10, 1926644), (17, 1133320), (20, 963322), (29, 664360), (34, 566660), (40, 481661), (58, 332180), (68, 283330), (85, 226664), (116, 166090), (136, 141665), (145, 132872), (170, 113332), (232, 83045), (290, 66436), (340, 56666), (493, 39080), (580, 33218), (680, 28333), (977, 19720), (986, 19540), (1160, 16609), (1954, 9860), (1972, 9770), (2465, 7816), (3908, 4930), (3944, 4885)]