18803808

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:724

約数の個数: 72

約数和(自身を含む): 54054000

約数和(自身を除く): 35250192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 599, 654, 872, 981, 1198, 1308, 1744, 1797, 1962, 2396, 2616, 3488, 3594, 3924, 4792, 5232, 5391, 7188, 7848, 9584, 10464, 10782, 14376, 15696, 19168, 21564, 28752, 31392, 43128, 57504, 65291, 86256, 130582, 172512, 195873, 261164, 391746, 522328, 587619, 783492, 1044656, 1175238, 1566984, 2089312, 2350476, 3133968, 4700952, 6267936, 9401904, 18803808]

約数ペア:

[(1, 18803808), (2, 9401904), (3, 6267936), (4, 4700952), (6, 3133968), (8, 2350476), (9, 2089312), (12, 1566984), (16, 1175238), (18, 1044656), (24, 783492), (32, 587619), (36, 522328), (48, 391746), (72, 261164), (96, 195873), (109, 172512), (144, 130582), (218, 86256), (288, 65291), (327, 57504), (436, 43128), (599, 31392), (654, 28752), (872, 21564), (981, 19168), (1198, 15696), (1308, 14376), (1744, 10782), (1797, 10464), (1962, 9584), (2396, 7848), (2616, 7188), (3488, 5391), (3594, 5232), (3924, 4792)]