19217480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27438520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 479, 590, 680, 958, 1003, 1180, 1916, 2006, 2360, 2395, 3832, 4012, 4790, 5015, 8024, 8143, 9580, 10030, 16286, 19160, 20060, 28261, 32572, 40120, 40715, 56522, 65144, 81430, 113044, 141305, 162860, 226088, 282610, 325720, 480437, 565220, 960874, 1130440, 1921748, 2402185, 3843496, 4804370, 9608740, 19217480]

約数ペア:

[(1, 19217480), (2, 9608740), (4, 4804370), (5, 3843496), (8, 2402185), (10, 1921748), (17, 1130440), (20, 960874), (34, 565220), (40, 480437), (59, 325720), (68, 282610), (85, 226088), (118, 162860), (136, 141305), (170, 113044), (236, 81430), (295, 65144), (340, 56522), (472, 40715), (479, 40120), (590, 32572), (680, 28261), (958, 20060), (1003, 19160), (1180, 16286), (1916, 10030), (2006, 9580), (2360, 8143), (2395, 8024), (3832, 5015), (4012, 4790)]