19754976

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^2\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 72

約数和(自身を含む): 54348840

約数和(自身を除く): 34593864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 389, 529, 552, 736, 778, 1058, 1104, 1167, 1556, 1587, 2116, 2208, 2334, 3112, 3174, 4232, 4668, 6224, 6348, 8464, 8947, 9336, 12448, 12696, 16928, 17894, 18672, 25392, 26841, 35788, 37344, 50784, 53682, 71576, 107364, 143152, 205781, 214728, 286304, 411562, 429456, 617343, 823124, 858912, 1234686, 1646248, 2469372, 3292496, 4938744, 6584992, 9877488, 19754976]

約数ペア:

[(1, 19754976), (2, 9877488), (3, 6584992), (4, 4938744), (6, 3292496), (8, 2469372), (12, 1646248), (16, 1234686), (23, 858912), (24, 823124), (32, 617343), (46, 429456), (48, 411562), (69, 286304), (92, 214728), (96, 205781), (138, 143152), (184, 107364), (276, 71576), (368, 53682), (389, 50784), (529, 37344), (552, 35788), (736, 26841), (778, 25392), (1058, 18672), (1104, 17894), (1167, 16928), (1556, 12696), (1587, 12448), (2116, 9336), (2208, 8947), (2334, 8464), (3112, 6348), (3174, 6224), (4232, 4668)]