19432940

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4243}}^1$

素因数の和:4481

約数の個数: 24

約数和(自身を含む): 40997040

約数和(自身を除く): 21564100

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4243, 4580, 8486, 16972, 21215, 42430, 84860, 971647, 1943294, 3886588, 4858235, 9716470, 19432940]

約数ペア:

[(1, 19432940), (2, 9716470), (4, 4858235), (5, 3886588), (10, 1943294), (20, 971647), (229, 84860), (458, 42430), (916, 21215), (1145, 16972), (2290, 8486), (4243, 4580)]