19908054

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 47413080

約数和(自身を除く): 27505026

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 89, 102, 129, 153, 178, 258, 267, 289, 306, 387, 534, 578, 731, 774, 801, 867, 1462, 1513, 1602, 1734, 2193, 2601, 3026, 3827, 4386, 4539, 5202, 6579, 7654, 9078, 11481, 12427, 13158, 13617, 22962, 24854, 25721, 27234, 34443, 37281, 51442, 65059, 68886, 74562, 77163, 111843, 130118, 154326, 195177, 223686, 231489, 390354, 462978, 585531, 1106003, 1171062, 2212006, 3318009, 6636018, 9954027, 19908054]

約数ペア:

[(1, 19908054), (2, 9954027), (3, 6636018), (6, 3318009), (9, 2212006), (17, 1171062), (18, 1106003), (34, 585531), (43, 462978), (51, 390354), (86, 231489), (89, 223686), (102, 195177), (129, 154326), (153, 130118), (178, 111843), (258, 77163), (267, 74562), (289, 68886), (306, 65059), (387, 51442), (534, 37281), (578, 34443), (731, 27234), (774, 25721), (801, 24854), (867, 22962), (1462, 13617), (1513, 13158), (1602, 12427), (1734, 11481), (2193, 9078), (2601, 7654), (3026, 6579), (3827, 5202), (4386, 4539)]