19080040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 49714560

約数和(自身を除く): 30634520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 821, 830, 1162, 1642, 1660, 2324, 2905, 3284, 3320, 4105, 4648, 5747, 5810, 6568, 8210, 11494, 11620, 16420, 22988, 23240, 28735, 32840, 45976, 57470, 68143, 114940, 136286, 229880, 272572, 340715, 477001, 545144, 681430, 954002, 1362860, 1908004, 2385005, 2725720, 3816008, 4770010, 9540020, 19080040]

約数ペア:

[(1, 19080040), (2, 9540020), (4, 4770010), (5, 3816008), (7, 2725720), (8, 2385005), (10, 1908004), (14, 1362860), (20, 954002), (28, 681430), (35, 545144), (40, 477001), (56, 340715), (70, 272572), (83, 229880), (140, 136286), (166, 114940), (280, 68143), (332, 57470), (415, 45976), (581, 32840), (664, 28735), (821, 23240), (830, 22988), (1162, 16420), (1642, 11620), (1660, 11494), (2324, 8210), (2905, 6568), (3284, 5810), (3320, 5747), (4105, 4648)]