19989048

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 52485120

約数和(自身を除く): 32496072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 67, 93, 124, 134, 186, 201, 248, 268, 372, 401, 402, 536, 744, 802, 804, 1203, 1604, 1608, 2077, 2406, 3208, 4154, 4812, 6231, 8308, 9624, 12431, 12462, 16616, 24862, 24924, 26867, 37293, 49724, 49848, 53734, 74586, 80601, 99448, 107468, 149172, 161202, 214936, 298344, 322404, 644808, 832877, 1665754, 2498631, 3331508, 4997262, 6663016, 9994524, 19989048]

約数ペア:

[(1, 19989048), (2, 9994524), (3, 6663016), (4, 4997262), (6, 3331508), (8, 2498631), (12, 1665754), (24, 832877), (31, 644808), (62, 322404), (67, 298344), (93, 214936), (124, 161202), (134, 149172), (186, 107468), (201, 99448), (248, 80601), (268, 74586), (372, 53734), (401, 49848), (402, 49724), (536, 37293), (744, 26867), (802, 24924), (804, 24862), (1203, 16616), (1604, 12462), (1608, 12431), (2077, 9624), (2406, 8308), (3208, 6231), (4154, 4812)]