19612928

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3331}}^1$

素因数の和:3370

約数の個数: 36

約数和(自身を含む): 40863648

約数和(自身を除く): 21250720

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3331, 5888, 6662, 13324, 26648, 53296, 76613, 106592, 153226, 213184, 306452, 426368, 612904, 852736, 1225808, 2451616, 4903232, 9806464, 19612928]

約数ペア:

[(1, 19612928), (2, 9806464), (4, 4903232), (8, 2451616), (16, 1225808), (23, 852736), (32, 612904), (46, 426368), (64, 306452), (92, 213184), (128, 153226), (184, 106592), (256, 76613), (368, 53296), (736, 26648), (1472, 13324), (2944, 6662), (3331, 5888)]