20180212170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{343727}}^1$

素因数の和:343859

約数の個数: 64

約数和(自身を含む): 51476705280

約数和(自身を除く): 31296493110

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 103, 114, 190, 206, 285, 309, 515, 570, 618, 1030, 1545, 1957, 3090, 3914, 5871, 9785, 11742, 19570, 29355, 58710, 343727, 687454, 1031181, 1718635, 2062362, 3437270, 5155905, 6530813, 10311810, 13061626, 19592439, 32654065, 35403881, 39184878, 65308130, 70807762, 97962195, 106211643, 177019405, 195924390, 212423286, 354038810, 531058215, 672673739, 1062116430, 1345347478, 2018021217, 3363368695, 4036042434, 6726737390, 10090106085, 20180212170]

約数ペア:

[(1, 20180212170), (2, 10090106085), (3, 6726737390), (5, 4036042434), (6, 3363368695), (10, 2018021217), (15, 1345347478), (19, 1062116430), (30, 672673739), (38, 531058215), (57, 354038810), (95, 212423286), (103, 195924390), (114, 177019405), (190, 106211643), (206, 97962195), (285, 70807762), (309, 65308130), (515, 39184878), (570, 35403881), (618, 32654065), (1030, 19592439), (1545, 13061626), (1957, 10311810), (3090, 6530813), (3914, 5155905), (5871, 3437270), (9785, 2062362), (11742, 1718635), (19570, 1031181), (29355, 687454), (58710, 343727)]