18020954

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 31881600

約数和(自身を除く): 13860646

約数列:

[1, 2, 7, 14, 53, 106, 149, 163, 298, 326, 371, 742, 1043, 1141, 2086, 2282, 7897, 8639, 15794, 17278, 24287, 48574, 55279, 60473, 110558, 120946, 170009, 340018, 1287211, 2574422, 9010477, 18020954]

約数ペア:

[(1, 18020954), (2, 9010477), (7, 2574422), (14, 1287211), (53, 340018), (106, 170009), (149, 120946), (163, 110558), (298, 60473), (326, 55279), (371, 48574), (742, 24287), (1043, 17278), (1141, 15794), (2086, 8639), (2282, 7897)]