19744192

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1293

約数の個数: 56

約数和(自身を含む): 44450000

約数和(自身を除く): 24705808

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1249, 1976, 2498, 3952, 4996, 7904, 9992, 15808, 16237, 19984, 23731, 32474, 39968, 47462, 64948, 79936, 94924, 129896, 189848, 259792, 308503, 379696, 519584, 617006, 759392, 1039168, 1234012, 1518784, 2468024, 4936048, 9872096, 19744192]

約数ペア:

[(1, 19744192), (2, 9872096), (4, 4936048), (8, 2468024), (13, 1518784), (16, 1234012), (19, 1039168), (26, 759392), (32, 617006), (38, 519584), (52, 379696), (64, 308503), (76, 259792), (104, 189848), (152, 129896), (208, 94924), (247, 79936), (304, 64948), (416, 47462), (494, 39968), (608, 32474), (832, 23731), (988, 19984), (1216, 16237), (1249, 15808), (1976, 9992), (2498, 7904), (3952, 4996)]