18875312

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:333

約数の個数: 40

約数和(自身を含む): 37646400

約数和(自身を除く): 18771088

約数列:

[1, 2, 4, 8, 16, 79, 109, 137, 158, 218, 274, 316, 436, 548, 632, 872, 1096, 1264, 1744, 2192, 8611, 10823, 14933, 17222, 21646, 29866, 34444, 43292, 59732, 68888, 86584, 119464, 137776, 173168, 238928, 1179707, 2359414, 4718828, 9437656, 18875312]

約数ペア:

[(1, 18875312), (2, 9437656), (4, 4718828), (8, 2359414), (16, 1179707), (79, 238928), (109, 173168), (137, 137776), (158, 119464), (218, 86584), (274, 68888), (316, 59732), (436, 43292), (548, 34444), (632, 29866), (872, 21646), (1096, 17222), (1264, 14933), (1744, 10823), (2192, 8611)]