19295068

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 40951008

約数和(自身を除く): 21655940

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 73, 92, 146, 169, 221, 292, 299, 338, 391, 442, 598, 676, 782, 884, 949, 1196, 1241, 1564, 1679, 1898, 2482, 2873, 3358, 3796, 3887, 4964, 5083, 5746, 6716, 7774, 10166, 11492, 12337, 15548, 16133, 20332, 21827, 24674, 28543, 32266, 43654, 49348, 57086, 64532, 66079, 87308, 114172, 132158, 209729, 264316, 283751, 371059, 419458, 567502, 742118, 838916, 1135004, 1484236, 4823767, 9647534, 19295068]

約数ペア:

[(1, 19295068), (2, 9647534), (4, 4823767), (13, 1484236), (17, 1135004), (23, 838916), (26, 742118), (34, 567502), (46, 419458), (52, 371059), (68, 283751), (73, 264316), (92, 209729), (146, 132158), (169, 114172), (221, 87308), (292, 66079), (299, 64532), (338, 57086), (391, 49348), (442, 43654), (598, 32266), (676, 28543), (782, 24674), (884, 21827), (949, 20332), (1196, 16133), (1241, 15548), (1564, 12337), (1679, 11492), (1898, 10166), (2482, 7774), (2873, 6716), (3358, 5746), (3796, 5083), (3887, 4964)]