19298060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 23975380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 211, 269, 340, 422, 538, 844, 1055, 1076, 1345, 2110, 2690, 3587, 4220, 4573, 5380, 7174, 9146, 14348, 17935, 18292, 22865, 35870, 45730, 56759, 71740, 91460, 113518, 227036, 283795, 567590, 964903, 1135180, 1929806, 3859612, 4824515, 9649030, 19298060]

約数ペア:

[(1, 19298060), (2, 9649030), (4, 4824515), (5, 3859612), (10, 1929806), (17, 1135180), (20, 964903), (34, 567590), (68, 283795), (85, 227036), (170, 113518), (211, 91460), (269, 71740), (340, 56759), (422, 45730), (538, 35870), (844, 22865), (1055, 18292), (1076, 17935), (1345, 14348), (2110, 9146), (2690, 7174), (3587, 5380), (4220, 4573)]