19010320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 51246720

約数和(自身を除く): 32236400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 409, 415, 560, 581, 664, 818, 830, 1162, 1328, 1636, 1660, 2045, 2324, 2863, 2905, 3272, 3320, 4090, 4648, 5726, 5810, 6544, 6640, 8180, 9296, 11452, 11620, 14315, 16360, 22904, 23240, 28630, 32720, 33947, 45808, 46480, 57260, 67894, 114520, 135788, 169735, 229040, 237629, 271576, 339470, 475258, 543152, 678940, 950516, 1188145, 1357880, 1901032, 2376290, 2715760, 3802064, 4752580, 9505160, 19010320]

約数ペア:

[(1, 19010320), (2, 9505160), (4, 4752580), (5, 3802064), (7, 2715760), (8, 2376290), (10, 1901032), (14, 1357880), (16, 1188145), (20, 950516), (28, 678940), (35, 543152), (40, 475258), (56, 339470), (70, 271576), (80, 237629), (83, 229040), (112, 169735), (140, 135788), (166, 114520), (280, 67894), (332, 57260), (409, 46480), (415, 45808), (560, 33947), (581, 32720), (664, 28630), (818, 23240), (830, 22904), (1162, 16360), (1328, 14315), (1636, 11620), (1660, 11452), (2045, 9296), (2324, 8180), (2863, 6640), (2905, 6544), (3272, 5810), (3320, 5726), (4090, 4648)]