16819758

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 22371282

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 71, 82, 107, 123, 142, 213, 214, 246, 321, 369, 426, 639, 642, 738, 963, 1107, 1278, 1917, 1926, 2214, 2889, 2911, 3834, 4387, 5778, 5822, 7597, 8733, 8774, 13161, 15194, 17466, 22791, 26199, 26322, 39483, 45582, 52398, 68373, 78597, 78966, 118449, 136746, 157194, 205119, 236898, 311477, 410238, 622954, 934431, 1868862, 2803293, 5606586, 8409879, 16819758]

約数ペア:

[(1, 16819758), (2, 8409879), (3, 5606586), (6, 2803293), (9, 1868862), (18, 934431), (27, 622954), (41, 410238), (54, 311477), (71, 236898), (82, 205119), (107, 157194), (123, 136746), (142, 118449), (213, 78966), (214, 78597), (246, 68373), (321, 52398), (369, 45582), (426, 39483), (639, 26322), (642, 26199), (738, 22791), (963, 17466), (1107, 15194), (1278, 13161), (1917, 8774), (1926, 8733), (2214, 7597), (2889, 5822), (2911, 5778), (3834, 4387)]