19357052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 40774272

約数和(自身を除く): 21417220

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 787, 946, 1118, 1574, 1892, 2236, 3148, 6149, 8657, 10231, 12298, 17314, 20462, 24596, 33841, 34628, 40924, 67682, 112541, 135364, 225082, 372251, 439933, 450164, 744502, 879866, 1489004, 1759732, 4839263, 9678526, 19357052]

約数ペア:

[(1, 19357052), (2, 9678526), (4, 4839263), (11, 1759732), (13, 1489004), (22, 879866), (26, 744502), (43, 450164), (44, 439933), (52, 372251), (86, 225082), (143, 135364), (172, 112541), (286, 67682), (473, 40924), (559, 34628), (572, 33841), (787, 24596), (946, 20462), (1118, 17314), (1574, 12298), (1892, 10231), (2236, 8657), (3148, 6149)]