19789760

素因数分解:

$2^6\times 5^1\times {\mathrm{61843}}^1$

素因数の和:61860

約数の個数: 28

約数和(自身を含む): 47125128

約数和(自身を除く): 27335368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61843, 123686, 247372, 309215, 494744, 618430, 989488, 1236860, 1978976, 2473720, 3957952, 4947440, 9894880, 19789760]

約数ペア:

[(1, 19789760), (2, 9894880), (4, 4947440), (5, 3957952), (8, 2473720), (10, 1978976), (16, 1236860), (20, 989488), (32, 618430), (40, 494744), (64, 309215), (80, 247372), (160, 123686), (320, 61843)]