16920488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8563}}^1$

素因数の和:8601

約数の個数: 32

約数和(自身を含む): 35968800

約数和(自身を除く): 19048312

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 8563, 17126, 34252, 68504, 111319, 162697, 222638, 325394, 445276, 650788, 890552, 1301576, 2115061, 4230122, 8460244, 16920488]

約数ペア:

[(1, 16920488), (2, 8460244), (4, 4230122), (8, 2115061), (13, 1301576), (19, 890552), (26, 650788), (38, 445276), (52, 325394), (76, 222638), (104, 162697), (152, 111319), (247, 68504), (494, 34252), (988, 17126), (1976, 8563)]