19957065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 34390656

約数和(自身を除く): 14433591

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 1283, 3111, 3849, 5185, 6415, 15555, 19245, 21811, 65433, 78263, 109055, 234789, 327165, 391315, 1173945, 1330471, 3991413, 6652355, 19957065]

約数ペア:

[(1, 19957065), (3, 6652355), (5, 3991413), (15, 1330471), (17, 1173945), (51, 391315), (61, 327165), (85, 234789), (183, 109055), (255, 78263), (305, 65433), (915, 21811), (1037, 19245), (1283, 15555), (3111, 6415), (3849, 5185)]