18861976

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19813}}^1$

素因数の和:19843

約数の個数: 32

約数和(自身を含む): 42798240

約数和(自身を除く): 23936264

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 19813, 39626, 79252, 138691, 158504, 277382, 336821, 554764, 673642, 1109528, 1347284, 2357747, 2694568, 4715494, 9430988, 18861976]

約数ペア:

[(1, 18861976), (2, 9430988), (4, 4715494), (7, 2694568), (8, 2357747), (14, 1347284), (17, 1109528), (28, 673642), (34, 554764), (56, 336821), (68, 277382), (119, 158504), (136, 138691), (238, 79252), (476, 39626), (952, 19813)]