18262904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 21135496

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 71, 74, 79, 88, 142, 148, 158, 284, 296, 316, 407, 568, 632, 781, 814, 869, 1562, 1628, 1738, 2627, 2923, 3124, 3256, 3476, 5254, 5609, 5846, 6248, 6952, 10508, 11218, 11692, 21016, 22436, 23384, 28897, 32153, 44872, 57794, 61699, 64306, 115588, 123398, 128612, 207533, 231176, 246796, 257224, 415066, 493592, 830132, 1660264, 2282863, 4565726, 9131452, 18262904]

約数ペア:

[(1, 18262904), (2, 9131452), (4, 4565726), (8, 2282863), (11, 1660264), (22, 830132), (37, 493592), (44, 415066), (71, 257224), (74, 246796), (79, 231176), (88, 207533), (142, 128612), (148, 123398), (158, 115588), (284, 64306), (296, 61699), (316, 57794), (407, 44872), (568, 32153), (632, 28897), (781, 23384), (814, 22436), (869, 21016), (1562, 11692), (1628, 11218), (1738, 10508), (2627, 6952), (2923, 6248), (3124, 5846), (3256, 5609), (3476, 5254)]