19381336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1187}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 39417840

約数和(自身を除く): 20036504

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1187, 1256, 2041, 2374, 4082, 4748, 8164, 9496, 15431, 16328, 30862, 61724, 123448, 186359, 372718, 745436, 1490872, 2422667, 4845334, 9690668, 19381336]

約数ペア:

[(1, 19381336), (2, 9690668), (4, 4845334), (8, 2422667), (13, 1490872), (26, 745436), (52, 372718), (104, 186359), (157, 123448), (314, 61724), (628, 30862), (1187, 16328), (1256, 15431), (2041, 9496), (2374, 8164), (4082, 4748)]