19606508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 38320128

約数和(自身を除く): 18713620

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 71, 124, 131, 142, 262, 284, 524, 527, 1054, 1207, 2108, 2201, 2227, 2414, 4061, 4402, 4454, 4828, 8122, 8804, 8908, 9301, 16244, 18602, 37204, 37417, 69037, 74834, 138074, 149668, 158117, 276148, 288331, 316234, 576662, 632468, 1153324, 4901627, 9803254, 19606508]

約数ペア:

[(1, 19606508), (2, 9803254), (4, 4901627), (17, 1153324), (31, 632468), (34, 576662), (62, 316234), (68, 288331), (71, 276148), (124, 158117), (131, 149668), (142, 138074), (262, 74834), (284, 69037), (524, 37417), (527, 37204), (1054, 18602), (1207, 16244), (2108, 9301), (2201, 8908), (2227, 8804), (2414, 8122), (4061, 4828), (4402, 4454)]