18208346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 15660454

約数列:

[1, 2, 13, 19, 26, 29, 31, 38, 41, 58, 62, 82, 247, 377, 403, 494, 533, 551, 589, 754, 779, 806, 899, 1066, 1102, 1178, 1189, 1271, 1558, 1798, 2378, 2542, 7163, 7657, 10127, 11687, 14326, 15314, 15457, 16523, 17081, 20254, 22591, 23374, 24149, 30914, 33046, 34162, 36859, 45182, 48298, 73718, 222053, 293683, 313937, 444106, 479167, 587366, 627874, 700321, 958334, 1400642, 9104173, 18208346]

約数ペア:

[(1, 18208346), (2, 9104173), (13, 1400642), (19, 958334), (26, 700321), (29, 627874), (31, 587366), (38, 479167), (41, 444106), (58, 313937), (62, 293683), (82, 222053), (247, 73718), (377, 48298), (403, 45182), (494, 36859), (533, 34162), (551, 33046), (589, 30914), (754, 24149), (779, 23374), (806, 22591), (899, 20254), (1066, 17081), (1102, 16523), (1178, 15457), (1189, 15314), (1271, 14326), (1558, 11687), (1798, 10127), (2378, 7657), (2542, 7163)]