19512896

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 56

約数和(自身を含む): 42672000

約数和(自身を除く): 23159104

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 188, 208, 376, 416, 499, 611, 752, 832, 998, 1222, 1504, 1996, 2444, 3008, 3992, 4888, 6487, 7984, 9776, 12974, 15968, 19552, 23453, 25948, 31936, 39104, 46906, 51896, 93812, 103792, 187624, 207584, 304889, 375248, 415168, 609778, 750496, 1219556, 1500992, 2439112, 4878224, 9756448, 19512896]

約数ペア:

[(1, 19512896), (2, 9756448), (4, 4878224), (8, 2439112), (13, 1500992), (16, 1219556), (26, 750496), (32, 609778), (47, 415168), (52, 375248), (64, 304889), (94, 207584), (104, 187624), (188, 103792), (208, 93812), (376, 51896), (416, 46906), (499, 39104), (611, 31936), (752, 25948), (832, 23453), (998, 19552), (1222, 15968), (1504, 12974), (1996, 9776), (2444, 7984), (3008, 6487), (3992, 4888)]