18023408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 38153808

約数和(自身を除く): 20130400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1187, 1898, 2374, 3796, 4748, 7592, 9496, 15184, 15431, 18992, 30862, 61724, 86651, 123448, 173302, 246896, 346604, 693208, 1126463, 1386416, 2252926, 4505852, 9011704, 18023408]

約数ペア:

[(1, 18023408), (2, 9011704), (4, 4505852), (8, 2252926), (13, 1386416), (16, 1126463), (26, 693208), (52, 346604), (73, 246896), (104, 173302), (146, 123448), (208, 86651), (292, 61724), (584, 30862), (949, 18992), (1168, 15431), (1187, 15184), (1898, 9496), (2374, 7592), (3796, 4748)]