30720986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 19598374

約数列:

[1, 2, 19, 38, 47, 94, 103, 167, 206, 334, 893, 1786, 1957, 3173, 3914, 4841, 6346, 7849, 9682, 15698, 17201, 34402, 91979, 149131, 183958, 298262, 326819, 653638, 808447, 1616894, 15360493, 30720986]

約数ペア:

[(1, 30720986), (2, 15360493), (19, 1616894), (38, 808447), (47, 653638), (94, 326819), (103, 298262), (167, 183958), (206, 149131), (334, 91979), (893, 34402), (1786, 17201), (1957, 15698), (3173, 9682), (3914, 7849), (4841, 6346)]