17891718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 41513472

約数和(自身を除く): 23621754

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 103, 131, 206, 221, 262, 309, 393, 442, 618, 663, 786, 1326, 1339, 1703, 1751, 2227, 2678, 3406, 3502, 4017, 4454, 5109, 5253, 6681, 8034, 10218, 10506, 13362, 13493, 22763, 26986, 28951, 40479, 45526, 57902, 68289, 80958, 86853, 136578, 173706, 175409, 229381, 350818, 458762, 526227, 688143, 1052454, 1376286, 2981953, 5963906, 8945859, 17891718]

約数ペア:

[(1, 17891718), (2, 8945859), (3, 5963906), (6, 2981953), (13, 1376286), (17, 1052454), (26, 688143), (34, 526227), (39, 458762), (51, 350818), (78, 229381), (102, 175409), (103, 173706), (131, 136578), (206, 86853), (221, 80958), (262, 68289), (309, 57902), (393, 45526), (442, 40479), (618, 28951), (663, 26986), (786, 22763), (1326, 13493), (1339, 13362), (1703, 10506), (1751, 10218), (2227, 8034), (2678, 6681), (3406, 5253), (3502, 5109), (4017, 4454)]