19345551488

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{971}}^1\times {\mathrm{5021}}^1$

素因数の和:6037

約数の個数: 64

約数和(自身を含む): 39832093440

約数和(自身を除く): 20486541952

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 971, 992, 1942, 1984, 3884, 3968, 5021, 7768, 10042, 15536, 20084, 30101, 31072, 40168, 60202, 62144, 80336, 120404, 124288, 155651, 160672, 240808, 311302, 321344, 481616, 622604, 642688, 963232, 1245208, 1926464, 2490416, 3852928, 4875391, 4980832, 9750782, 9961664, 19501564, 19923328, 39003128, 78006256, 151137121, 156012512, 302274242, 312025024, 604548484, 624050048, 1209096968, 2418193936, 4836387872, 9672775744, 19345551488]

約数ペア:

[(1, 19345551488), (2, 9672775744), (4, 4836387872), (8, 2418193936), (16, 1209096968), (31, 624050048), (32, 604548484), (62, 312025024), (64, 302274242), (124, 156012512), (128, 151137121), (248, 78006256), (496, 39003128), (971, 19923328), (992, 19501564), (1942, 9961664), (1984, 9750782), (3884, 4980832), (3968, 4875391), (5021, 3852928), (7768, 2490416), (10042, 1926464), (15536, 1245208), (20084, 963232), (30101, 642688), (31072, 622604), (40168, 481616), (60202, 321344), (62144, 311302), (80336, 240808), (120404, 160672), (124288, 155651)]