19099845

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 16280955

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 171, 251, 267, 285, 445, 753, 801, 855, 1255, 1335, 1691, 2259, 3765, 4005, 4769, 5073, 8455, 11295, 14307, 15219, 22339, 23845, 25365, 42921, 67017, 71535, 76095, 111695, 201051, 214605, 335085, 424441, 1005255, 1273323, 2122205, 3819969, 6366615, 19099845]

約数ペア:

[(1, 19099845), (3, 6366615), (5, 3819969), (9, 2122205), (15, 1273323), (19, 1005255), (45, 424441), (57, 335085), (89, 214605), (95, 201051), (171, 111695), (251, 76095), (267, 71535), (285, 67017), (445, 42921), (753, 25365), (801, 23845), (855, 22339), (1255, 15219), (1335, 14307), (1691, 11295), (2259, 8455), (3765, 5073), (4005, 4769)]