19999923168

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1\times {\mathrm{8317}}^1$

素因数の和:9044

約数の個数: 96

約数和(自身を含む): 54004847904

約数和(自身を除く): 34004924736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 444, 592, 677, 888, 1184, 1354, 1776, 2031, 2708, 3552, 4062, 5416, 8124, 8317, 10832, 16248, 16634, 21664, 24951, 25049, 32496, 33268, 49902, 50098, 64992, 66536, 75147, 99804, 100196, 133072, 150294, 199608, 200392, 266144, 300588, 307729, 399216, 400784, 601176, 615458, 798432, 801568, 923187, 1202352, 1230916, 1846374, 2404704, 2461832, 3692748, 4923664, 5630609, 7385496, 9847328, 11261218, 14770992, 16891827, 22522436, 29541984, 33783654, 45044872, 67567308, 90089744, 135134616, 180179488, 208332533, 270269232, 416665066, 540538464, 624997599, 833330132, 1249995198, 1666660264, 2499990396, 3333320528, 4999980792, 6666641056, 9999961584, 19999923168]

約数ペア:

[(1, 19999923168), (2, 9999961584), (3, 6666641056), (4, 4999980792), (6, 3333320528), (8, 2499990396), (12, 1666660264), (16, 1249995198), (24, 833330132), (32, 624997599), (37, 540538464), (48, 416665066), (74, 270269232), (96, 208332533), (111, 180179488), (148, 135134616), (222, 90089744), (296, 67567308), (444, 45044872), (592, 33783654), (677, 29541984), (888, 22522436), (1184, 16891827), (1354, 14770992), (1776, 11261218), (2031, 9847328), (2708, 7385496), (3552, 5630609), (4062, 4923664), (5416, 3692748), (8124, 2461832), (8317, 2404704), (10832, 1846374), (16248, 1230916), (16634, 1202352), (21664, 923187), (24951, 801568), (25049, 798432), (32496, 615458), (33268, 601176), (49902, 400784), (50098, 399216), (64992, 307729), (66536, 300588), (75147, 266144), (99804, 200392), (100196, 199608), (133072, 150294)]