18942518

素因数分解:

$2^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 33825600

約数和(自身を除く): 14883082

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 343, 371, 521, 686, 742, 1042, 2597, 3647, 5194, 7294, 18179, 25529, 27613, 36358, 51058, 55226, 178703, 193291, 357406, 386582, 1353037, 2706074, 9471259, 18942518]

約数ペア:

[(1, 18942518), (2, 9471259), (7, 2706074), (14, 1353037), (49, 386582), (53, 357406), (98, 193291), (106, 178703), (343, 55226), (371, 51058), (521, 36358), (686, 27613), (742, 25529), (1042, 18179), (2597, 7294), (3647, 5194)]