18961202

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 32598720

約数和(自身を除く): 13637518

約数列:

[1, 2, 13, 19, 26, 38, 131, 247, 262, 293, 494, 586, 1703, 2489, 3406, 3809, 4978, 5567, 7618, 11134, 32357, 38383, 64714, 72371, 76766, 144742, 498979, 729277, 997958, 1458554, 9480601, 18961202]

約数ペア:

[(1, 18961202), (2, 9480601), (13, 1458554), (19, 997958), (26, 729277), (38, 498979), (131, 144742), (247, 76766), (262, 72371), (293, 64714), (494, 38383), (586, 32357), (1703, 11134), (2489, 7618), (3406, 5567), (3809, 4978)]