18153760

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1465

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 25282976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1367, 1660, 2656, 2734, 3320, 5468, 6640, 6835, 10936, 13280, 13670, 21872, 27340, 43744, 54680, 109360, 113461, 218720, 226922, 453844, 567305, 907688, 1134610, 1815376, 2269220, 3630752, 4538440, 9076880, 18153760]

約数ペア:

[(1, 18153760), (2, 9076880), (4, 4538440), (5, 3630752), (8, 2269220), (10, 1815376), (16, 1134610), (20, 907688), (32, 567305), (40, 453844), (80, 226922), (83, 218720), (160, 113461), (166, 109360), (332, 54680), (415, 43744), (664, 27340), (830, 21872), (1328, 13670), (1367, 13280), (1660, 10936), (2656, 6835), (2734, 6640), (3320, 5468)]