19531880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6689}}^1$

素因数の和:6773

約数の個数: 32

約数和(自身を含む): 44555400

約数和(自身を除く): 25023520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6689, 13378, 26756, 33445, 53512, 66890, 133780, 267560, 488297, 976594, 1953188, 2441485, 3906376, 4882970, 9765940, 19531880]

約数ペア:

[(1, 19531880), (2, 9765940), (4, 4882970), (5, 3906376), (8, 2441485), (10, 1953188), (20, 976594), (40, 488297), (73, 267560), (146, 133780), (292, 66890), (365, 53512), (584, 33445), (730, 26756), (1460, 13378), (2920, 6689)]