19923328

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5021}}^1$

素因数の和:5066

約数の個数: 32

約数和(自身を含む): 40979520

約数和(自身を除く): 21056192

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5021, 10042, 20084, 40168, 80336, 155651, 160672, 311302, 321344, 622604, 642688, 1245208, 2490416, 4980832, 9961664, 19923328]

約数ペア:

[(1, 19923328), (2, 9961664), (4, 4980832), (8, 2490416), (16, 1245208), (31, 642688), (32, 622604), (62, 321344), (64, 311302), (124, 160672), (128, 155651), (248, 80336), (496, 40168), (992, 20084), (1984, 10042), (3968, 5021)]