19148120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 47239200

約数和(自身を除く): 28091080

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, 971, 986, 1160, 1942, 1972, 2465, 3884, 3944, 4855, 4930, 7768, 9710, 9860, 16507, 19420, 19720, 28159, 33014, 38840, 56318, 66028, 82535, 112636, 132056, 140795, 165070, 225272, 281590, 330140, 478703, 563180, 660280, 957406, 1126360, 1914812, 2393515, 3829624, 4787030, 9574060, 19148120]

約数ペア:

[(1, 19148120), (2, 9574060), (4, 4787030), (5, 3829624), (8, 2393515), (10, 1914812), (17, 1126360), (20, 957406), (29, 660280), (34, 563180), (40, 478703), (58, 330140), (68, 281590), (85, 225272), (116, 165070), (136, 140795), (145, 132056), (170, 112636), (232, 82535), (290, 66028), (340, 56318), (493, 38840), (580, 33014), (680, 28159), (971, 19720), (986, 19420), (1160, 16507), (1942, 9860), (1972, 9710), (2465, 7768), (3884, 4930), (3944, 4855)]