19417424

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:244

約数の個数: 60

約数和(自身を含む): 41934816

約数和(自身を除く): 22517392

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 167, 169, 172, 208, 334, 338, 344, 559, 668, 676, 688, 1118, 1336, 1352, 2171, 2236, 2672, 2704, 4342, 4472, 7181, 7267, 8684, 8944, 14362, 14534, 17368, 28223, 28724, 29068, 34736, 56446, 57448, 58136, 93353, 112892, 114896, 116272, 186706, 225784, 373412, 451568, 746824, 1213589, 1493648, 2427178, 4854356, 9708712, 19417424]

約数ペア:

[(1, 19417424), (2, 9708712), (4, 4854356), (8, 2427178), (13, 1493648), (16, 1213589), (26, 746824), (43, 451568), (52, 373412), (86, 225784), (104, 186706), (167, 116272), (169, 114896), (172, 112892), (208, 93353), (334, 58136), (338, 57448), (344, 56446), (559, 34736), (668, 29068), (676, 28724), (688, 28223), (1118, 17368), (1336, 14534), (1352, 14362), (2171, 8944), (2236, 8684), (2672, 7267), (2704, 7181), (4342, 4472)]