17780464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1265

約数の個数: 40

約数和(自身を含む): 37639952

約数和(自身を除く): 19859488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1171, 1898, 2342, 3796, 4684, 7592, 9368, 15184, 15223, 18736, 30446, 60892, 85483, 121784, 170966, 243568, 341932, 683864, 1111279, 1367728, 2222558, 4445116, 8890232, 17780464]

約数ペア:

[(1, 17780464), (2, 8890232), (4, 4445116), (8, 2222558), (13, 1367728), (16, 1111279), (26, 683864), (52, 341932), (73, 243568), (104, 170966), (146, 121784), (208, 85483), (292, 60892), (584, 30446), (949, 18736), (1168, 15223), (1171, 15184), (1898, 9368), (2342, 7592), (3796, 4684)]