19495005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 33436800

約数和(自身を除く): 13941795

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 859, 1335, 1513, 2577, 4295, 4539, 7565, 12885, 14603, 22695, 43809, 73015, 76451, 219045, 229353, 382255, 1146765, 1299667, 3899001, 6498335, 19495005]

約数ペア:

[(1, 19495005), (3, 6498335), (5, 3899001), (15, 1299667), (17, 1146765), (51, 382255), (85, 229353), (89, 219045), (255, 76451), (267, 73015), (445, 43809), (859, 22695), (1335, 14603), (1513, 12885), (2577, 7565), (4295, 4539)]