19959904

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{36691}}^1$

素因数の和:36718

約数の個数: 24

約数和(自身を含む): 41608728

約数和(自身を除く): 21648824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 36691, 73382, 146764, 293528, 587056, 623747, 1174112, 1247494, 2494988, 4989976, 9979952, 19959904]

約数ペア:

[(1, 19959904), (2, 9979952), (4, 4989976), (8, 2494988), (16, 1247494), (17, 1174112), (32, 623747), (34, 587056), (68, 293528), (136, 146764), (272, 73382), (544, 36691)]