18920364

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 26802516

約数列:

[1, 2, 3, 4, 6, 12, 53, 71, 106, 142, 159, 212, 213, 284, 318, 419, 426, 636, 838, 852, 1257, 1676, 2514, 3763, 5028, 7526, 11289, 15052, 22207, 22578, 29749, 44414, 45156, 59498, 66621, 88828, 89247, 118996, 133242, 178494, 266484, 356988, 1576697, 3153394, 4730091, 6306788, 9460182, 18920364]

約数ペア:

[(1, 18920364), (2, 9460182), (3, 6306788), (4, 4730091), (6, 3153394), (12, 1576697), (53, 356988), (71, 266484), (106, 178494), (142, 133242), (159, 118996), (212, 89247), (213, 88828), (284, 66621), (318, 59498), (419, 45156), (426, 44414), (636, 29749), (838, 22578), (852, 22207), (1257, 15052), (1676, 11289), (2514, 7526), (3763, 5028)]