18658384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68597}}^1$

素因数の和:68622

約数の個数: 20

約数和(自身を含む): 38277684

約数和(自身を除く): 19619300

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68597, 137194, 274388, 548776, 1097552, 1166149, 2332298, 4664596, 9329192, 18658384]

約数ペア:

[(1, 18658384), (2, 9329192), (4, 4664596), (8, 2332298), (16, 1166149), (17, 1097552), (34, 548776), (68, 274388), (136, 137194), (272, 68597)]