19184516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6961}}^1$

素因数の和:7031

約数の個数: 24

約数和(自身を含む): 36842904

約数和(自身を除く): 17658388

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 6961, 13922, 27844, 90493, 180986, 361972, 368933, 737866, 1475732, 4796129, 9592258, 19184516]

約数ペア:

[(1, 19184516), (2, 9592258), (4, 4796129), (13, 1475732), (26, 737866), (52, 368933), (53, 361972), (106, 180986), (212, 90493), (689, 27844), (1378, 13922), (2756, 6961)]