19685224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{991}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 20312216

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 382, 764, 991, 1528, 1982, 2483, 3964, 4966, 7928, 9932, 12883, 19864, 25766, 51532, 103064, 189281, 378562, 757124, 1514248, 2460653, 4921306, 9842612, 19685224]

約数ペア:

[(1, 19685224), (2, 9842612), (4, 4921306), (8, 2460653), (13, 1514248), (26, 757124), (52, 378562), (104, 189281), (191, 103064), (382, 51532), (764, 25766), (991, 19864), (1528, 12883), (1982, 9932), (2483, 7928), (3964, 4966)]