2018987955

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{5147}}^1$

素因数の和:5560

約数の個数: 48

約数和(自身を含む): 3662081280

約数和(自身を除く): 1643093325

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 379, 1035, 1137, 1895, 3411, 5147, 5685, 8717, 15441, 17055, 25735, 26151, 43585, 46323, 77205, 78453, 118381, 130755, 231615, 355143, 392265, 591905, 1065429, 1775715, 1950713, 5327145, 5852139, 9753565, 17556417, 29260695, 44866399, 87782085, 134599197, 224331995, 403797591, 672995985, 2018987955]

約数ペア:

[(1, 2018987955), (3, 672995985), (5, 403797591), (9, 224331995), (15, 134599197), (23, 87782085), (45, 44866399), (69, 29260695), (115, 17556417), (207, 9753565), (345, 5852139), (379, 5327145), (1035, 1950713), (1137, 1775715), (1895, 1065429), (3411, 591905), (5147, 392265), (5685, 355143), (8717, 231615), (15441, 130755), (17055, 118381), (25735, 78453), (26151, 77205), (43585, 46323)]