19464170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 21662230

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 67, 95, 110, 134, 139, 190, 209, 278, 335, 418, 670, 695, 737, 1045, 1273, 1390, 1474, 1529, 2090, 2546, 2641, 3058, 3685, 5282, 6365, 7370, 7645, 9313, 12730, 13205, 14003, 15290, 18626, 26410, 28006, 29051, 46565, 58102, 70015, 93130, 102443, 140030, 145255, 176947, 204886, 290510, 353894, 512215, 884735, 1024430, 1769470, 1946417, 3892834, 9732085, 19464170]

約数ペア:

[(1, 19464170), (2, 9732085), (5, 3892834), (10, 1946417), (11, 1769470), (19, 1024430), (22, 884735), (38, 512215), (55, 353894), (67, 290510), (95, 204886), (110, 176947), (134, 145255), (139, 140030), (190, 102443), (209, 93130), (278, 70015), (335, 58102), (418, 46565), (670, 29051), (695, 28006), (737, 26410), (1045, 18626), (1273, 15290), (1390, 14003), (1474, 13205), (1529, 12730), (2090, 9313), (2546, 7645), (2641, 7370), (3058, 6365), (3685, 5282)]