19053520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 46903248

約数和(自身を除く): 27849728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 74, 80, 82, 148, 157, 164, 185, 205, 296, 314, 328, 370, 410, 592, 628, 656, 740, 785, 820, 1256, 1480, 1517, 1570, 1640, 2512, 2960, 3034, 3140, 3280, 5809, 6068, 6280, 6437, 7585, 11618, 12136, 12560, 12874, 15170, 23236, 24272, 25748, 29045, 30340, 32185, 46472, 51496, 58090, 60680, 64370, 92944, 102992, 116180, 121360, 128740, 232360, 238169, 257480, 464720, 476338, 514960, 952676, 1190845, 1905352, 2381690, 3810704, 4763380, 9526760, 19053520]

約数ペア:

[(1, 19053520), (2, 9526760), (4, 4763380), (5, 3810704), (8, 2381690), (10, 1905352), (16, 1190845), (20, 952676), (37, 514960), (40, 476338), (41, 464720), (74, 257480), (80, 238169), (82, 232360), (148, 128740), (157, 121360), (164, 116180), (185, 102992), (205, 92944), (296, 64370), (314, 60680), (328, 58090), (370, 51496), (410, 46472), (592, 32185), (628, 30340), (656, 29045), (740, 25748), (785, 24272), (820, 23236), (1256, 15170), (1480, 12874), (1517, 12560), (1570, 12136), (1640, 11618), (2512, 7585), (2960, 6437), (3034, 6280), (3140, 6068), (3280, 5809)]