19587740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 24828772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1087, 1802, 2174, 3604, 4348, 4505, 5435, 9010, 10870, 18020, 18479, 21740, 36958, 57611, 73916, 92395, 115222, 184790, 230444, 288055, 369580, 576110, 979387, 1152220, 1958774, 3917548, 4896935, 9793870, 19587740]

約数ペア:

[(1, 19587740), (2, 9793870), (4, 4896935), (5, 3917548), (10, 1958774), (17, 1152220), (20, 979387), (34, 576110), (53, 369580), (68, 288055), (85, 230444), (106, 184790), (170, 115222), (212, 92395), (265, 73916), (340, 57611), (530, 36958), (901, 21740), (1060, 18479), (1087, 18020), (1802, 10870), (2174, 9010), (3604, 5435), (4348, 4505)]