18937878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1259}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 20978922

約数列:

[1, 2, 3, 6, 23, 46, 69, 109, 138, 218, 327, 654, 1259, 2507, 2518, 3777, 5014, 7521, 7554, 15042, 28957, 57914, 86871, 137231, 173742, 274462, 411693, 823386, 3156313, 6312626, 9468939, 18937878]

約数ペア:

[(1, 18937878), (2, 9468939), (3, 6312626), (6, 3156313), (23, 823386), (46, 411693), (69, 274462), (109, 173742), (138, 137231), (218, 86871), (327, 57914), (654, 28957), (1259, 15042), (2507, 7554), (2518, 7521), (3777, 5014)]