18910630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 36306144

約数和(自身を除く): 17395514

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 643, 865, 1286, 1730, 2941, 3215, 5882, 6430, 10931, 14705, 21862, 29410, 54655, 109310, 111239, 222478, 556195, 1112390, 1891063, 3782126, 9455315, 18910630]

約数ペア:

[(1, 18910630), (2, 9455315), (5, 3782126), (10, 1891063), (17, 1112390), (34, 556195), (85, 222478), (170, 111239), (173, 109310), (346, 54655), (643, 29410), (865, 21862), (1286, 14705), (1730, 10931), (2941, 6430), (3215, 5882)]