18519214

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 33288192

約数和(自身を除く): 14768978

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 601, 994, 1202, 2201, 4207, 4402, 8414, 15407, 18631, 30814, 37262, 42671, 85342, 130417, 260834, 298697, 597394, 1322801, 2645602, 9259607, 18519214]

約数ペア:

[(1, 18519214), (2, 9259607), (7, 2645602), (14, 1322801), (31, 597394), (62, 298697), (71, 260834), (142, 130417), (217, 85342), (434, 42671), (497, 37262), (601, 30814), (994, 18631), (1202, 15407), (2201, 8414), (4207, 4402)]