19937156969

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1\times {\mathrm{641}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 21782597760

約数和(自身を除く): 1845440791

約数列:

[1, 19, 53, 67, 461, 641, 1007, 1273, 3551, 8759, 12179, 24433, 30887, 33973, 42947, 67469, 295501, 464227, 586853, 645487, 815993, 1637011, 2276191, 5614519, 15661553, 19798567, 31103209, 43247629, 297569507, 376172773, 1049324051, 19937156969]

約数ペア:

[(1, 19937156969), (19, 1049324051), (53, 376172773), (67, 297569507), (461, 43247629), (641, 31103209), (1007, 19798567), (1273, 15661553), (3551, 5614519), (8759, 2276191), (12179, 1637011), (24433, 815993), (30887, 645487), (33973, 586853), (42947, 464227), (67469, 295501)]