19949652

素因数分解:

$2^2\times 3^4\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1002

約数の個数: 60

約数和(自身を含む): 52988320

約数和(自身を除く): 33038668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 268, 324, 402, 603, 804, 919, 1206, 1809, 1838, 2412, 2757, 3618, 3676, 5427, 5514, 7236, 8271, 10854, 11028, 16542, 21708, 24813, 33084, 49626, 61573, 74439, 99252, 123146, 148878, 184719, 246292, 297756, 369438, 554157, 738876, 1108314, 1662471, 2216628, 3324942, 4987413, 6649884, 9974826, 19949652]

約数ペア:

[(1, 19949652), (2, 9974826), (3, 6649884), (4, 4987413), (6, 3324942), (9, 2216628), (12, 1662471), (18, 1108314), (27, 738876), (36, 554157), (54, 369438), (67, 297756), (81, 246292), (108, 184719), (134, 148878), (162, 123146), (201, 99252), (268, 74439), (324, 61573), (402, 49626), (603, 33084), (804, 24813), (919, 21708), (1206, 16542), (1809, 11028), (1838, 10854), (2412, 8271), (2757, 7236), (3618, 5514), (3676, 5427)]