19245148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6983}}^1$

素因数の和:7053

約数の個数: 24

約数和(自身を含む): 36959328

約数和(自身を除く): 17714180

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 6983, 13966, 27932, 90779, 181558, 363116, 370099, 740198, 1480396, 4811287, 9622574, 19245148]

約数ペア:

[(1, 19245148), (2, 9622574), (4, 4811287), (13, 1480396), (26, 740198), (52, 370099), (53, 363116), (106, 181558), (212, 90779), (689, 27932), (1378, 13966), (2756, 6983)]