18701956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 21940604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 191, 269, 364, 382, 538, 764, 1076, 1337, 1883, 2483, 2674, 3497, 3766, 4966, 5348, 6994, 7532, 9932, 13988, 17381, 24479, 34762, 48958, 51379, 69524, 97916, 102758, 205516, 359653, 667927, 719306, 1335854, 1438612, 2671708, 4675489, 9350978, 18701956]

約数ペア:

[(1, 18701956), (2, 9350978), (4, 4675489), (7, 2671708), (13, 1438612), (14, 1335854), (26, 719306), (28, 667927), (52, 359653), (91, 205516), (182, 102758), (191, 97916), (269, 69524), (364, 51379), (382, 48958), (538, 34762), (764, 24479), (1076, 17381), (1337, 13988), (1883, 9932), (2483, 7532), (2674, 6994), (3497, 5348), (3766, 4966)]