18112432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 39761344

約数和(自身を除く): 21648912

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 53, 62, 104, 106, 124, 208, 212, 248, 403, 424, 496, 689, 806, 848, 1378, 1612, 1643, 2756, 2809, 3224, 3286, 5512, 5618, 6448, 6572, 11024, 11236, 13144, 21359, 22472, 26288, 36517, 42718, 44944, 73034, 85436, 87079, 146068, 170872, 174158, 292136, 341744, 348316, 584272, 696632, 1132027, 1393264, 2264054, 4528108, 9056216, 18112432]

約数ペア:

[(1, 18112432), (2, 9056216), (4, 4528108), (8, 2264054), (13, 1393264), (16, 1132027), (26, 696632), (31, 584272), (52, 348316), (53, 341744), (62, 292136), (104, 174158), (106, 170872), (124, 146068), (208, 87079), (212, 85436), (248, 73034), (403, 44944), (424, 42718), (496, 36517), (689, 26288), (806, 22472), (848, 21359), (1378, 13144), (1612, 11236), (1643, 11024), (2756, 6572), (2809, 6448), (3224, 5618), (3286, 5512)]