19633075

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 32569344

約数和(自身を除く): 12936269

約数列:

[1, 5, 7, 11, 25, 31, 35, 47, 49, 55, 77, 155, 175, 217, 235, 245, 275, 329, 341, 385, 517, 539, 775, 1085, 1175, 1225, 1457, 1519, 1645, 1705, 1925, 2303, 2387, 2585, 2695, 3619, 5425, 7285, 7595, 8225, 8525, 10199, 11515, 11935, 12925, 13475, 16027, 16709, 18095, 25333, 36425, 37975, 50995, 57575, 59675, 71393, 80135, 83545, 90475, 112189, 126665, 254975, 356965, 400675, 417725, 560945, 633325, 785323, 1784825, 2804725, 3926615, 19633075]

約数ペア:

[(1, 19633075), (5, 3926615), (7, 2804725), (11, 1784825), (25, 785323), (31, 633325), (35, 560945), (47, 417725), (49, 400675), (55, 356965), (77, 254975), (155, 126665), (175, 112189), (217, 90475), (235, 83545), (245, 80135), (275, 71393), (329, 59675), (341, 57575), (385, 50995), (517, 37975), (539, 36425), (775, 25333), (1085, 18095), (1175, 16709), (1225, 16027), (1457, 13475), (1519, 12925), (1645, 11935), (1705, 11515), (1925, 10199), (2303, 8525), (2387, 8225), (2585, 7595), (2695, 7285), (3619, 5425)]