19985982

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3697}}^1$

素因数の和:3772

約数の個数: 32

約数和(自身を含む): 43133472

約数和(自身を除く): 23147490

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 102, 106, 159, 318, 901, 1802, 2703, 3697, 5406, 7394, 11091, 22182, 62849, 125698, 188547, 195941, 377094, 391882, 587823, 1175646, 3330997, 6661994, 9992991, 19985982]

約数ペア:

[(1, 19985982), (2, 9992991), (3, 6661994), (6, 3330997), (17, 1175646), (34, 587823), (51, 391882), (53, 377094), (102, 195941), (106, 188547), (159, 125698), (318, 62849), (901, 22182), (1802, 11091), (2703, 7394), (3697, 5406)]