19528079168

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{545843}}^1$

素因数の和:545911

約数の個数: 56

約数和(自身を含む): 42702467808

約数和(自身を除く): 23174388640

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 2236, 2752, 4472, 8944, 17888, 35776, 545843, 1091686, 2183372, 4366744, 7095959, 8733488, 14191918, 17466976, 23471249, 28383836, 34933952, 46942498, 56767672, 93884996, 113535344, 187769992, 227070688, 305126237, 375539984, 454141376, 610252474, 751079968, 1220504948, 1502159936, 2441009896, 4882019792, 9764039584, 19528079168]

約数ペア:

[(1, 19528079168), (2, 9764039584), (4, 4882019792), (8, 2441009896), (13, 1502159936), (16, 1220504948), (26, 751079968), (32, 610252474), (43, 454141376), (52, 375539984), (64, 305126237), (86, 227070688), (104, 187769992), (172, 113535344), (208, 93884996), (344, 56767672), (416, 46942498), (559, 34933952), (688, 28383836), (832, 23471249), (1118, 17466976), (1376, 14191918), (2236, 8733488), (2752, 7095959), (4472, 4366744), (8944, 2183372), (17888, 1091686), (35776, 545843)]