19974108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21617}}^1$

素因数の和:21642

約数の個数: 48

約数和(自身を含む): 58109184

約数和(自身を除く): 38135076

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 21617, 43234, 64851, 86468, 129702, 151319, 237787, 259404, 302638, 453957, 475574, 605276, 713361, 907914, 951148, 1426722, 1664509, 1815828, 2853444, 3329018, 4993527, 6658036, 9987054, 19974108]

約数ペア:

[(1, 19974108), (2, 9987054), (3, 6658036), (4, 4993527), (6, 3329018), (7, 2853444), (11, 1815828), (12, 1664509), (14, 1426722), (21, 951148), (22, 907914), (28, 713361), (33, 605276), (42, 475574), (44, 453957), (66, 302638), (77, 259404), (84, 237787), (132, 151319), (154, 129702), (231, 86468), (308, 64851), (462, 43234), (924, 21617)]