18243278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 12782962

約数列:

[1, 2, 17, 23, 34, 41, 46, 82, 391, 569, 697, 782, 943, 1138, 1394, 1886, 9673, 13087, 16031, 19346, 23329, 26174, 32062, 46658, 222479, 396593, 444958, 536567, 793186, 1073134, 9121639, 18243278]

約数ペア:

[(1, 18243278), (2, 9121639), (17, 1073134), (23, 793186), (34, 536567), (41, 444958), (46, 396593), (82, 222479), (391, 46658), (569, 32062), (697, 26174), (782, 23329), (943, 19346), (1138, 16031), (1394, 13087), (1886, 9673)]