19656000008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{2857}}^1$

素因数の和:3294

約数の個数: 64

約数和(自身を含む): 38891664000

約数和(自身を除く): 19235663992

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 269, 278, 538, 556, 1076, 1112, 2152, 2857, 3197, 5714, 6187, 6394, 11428, 12374, 12788, 22856, 24748, 25576, 37391, 49496, 65711, 74782, 131422, 149564, 262844, 299128, 397123, 525688, 768533, 794246, 859993, 1537066, 1588492, 1719986, 3074132, 3176984, 3439972, 6148264, 6879944, 9133829, 17676259, 18267658, 35352518, 36535316, 70705036, 73070632, 106826087, 141410072, 213652174, 427304348, 854608696, 2457000001, 4914000002, 9828000004, 19656000008]

約数ペア:

[(1, 19656000008), (2, 9828000004), (4, 4914000002), (8, 2457000001), (23, 854608696), (46, 427304348), (92, 213652174), (139, 141410072), (184, 106826087), (269, 73070632), (278, 70705036), (538, 36535316), (556, 35352518), (1076, 18267658), (1112, 17676259), (2152, 9133829), (2857, 6879944), (3197, 6148264), (5714, 3439972), (6187, 3176984), (6394, 3074132), (11428, 1719986), (12374, 1588492), (12788, 1537066), (22856, 859993), (24748, 794246), (25576, 768533), (37391, 525688), (49496, 397123), (65711, 299128), (74782, 262844), (131422, 149564)]