18045976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 39463200

約数和(自身を除く): 21417224

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 59, 68, 104, 118, 136, 173, 221, 236, 346, 442, 472, 692, 767, 884, 1003, 1384, 1534, 1768, 2006, 2249, 2941, 3068, 4012, 4498, 5882, 6136, 8024, 8996, 10207, 11764, 13039, 17992, 20414, 23528, 26078, 38233, 40828, 52156, 76466, 81656, 104312, 132691, 152932, 173519, 265382, 305864, 347038, 530764, 694076, 1061528, 1388152, 2255747, 4511494, 9022988, 18045976]

約数ペア:

[(1, 18045976), (2, 9022988), (4, 4511494), (8, 2255747), (13, 1388152), (17, 1061528), (26, 694076), (34, 530764), (52, 347038), (59, 305864), (68, 265382), (104, 173519), (118, 152932), (136, 132691), (173, 104312), (221, 81656), (236, 76466), (346, 52156), (442, 40828), (472, 38233), (692, 26078), (767, 23528), (884, 20414), (1003, 17992), (1384, 13039), (1534, 11764), (1768, 10207), (2006, 8996), (2249, 8024), (2941, 6136), (3068, 5882), (4012, 4498)]