19690284

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 48964608

約数和(自身を除く): 29274324

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 263, 367, 526, 734, 789, 1052, 1101, 1468, 1578, 2202, 3156, 4404, 4471, 6239, 8942, 12478, 13413, 17884, 18717, 24956, 26826, 37434, 53652, 74868, 96521, 193042, 289563, 386084, 579126, 1158252, 1640857, 3281714, 4922571, 6563428, 9845142, 19690284]

約数ペア:

[(1, 19690284), (2, 9845142), (3, 6563428), (4, 4922571), (6, 3281714), (12, 1640857), (17, 1158252), (34, 579126), (51, 386084), (68, 289563), (102, 193042), (204, 96521), (263, 74868), (367, 53652), (526, 37434), (734, 26826), (789, 24956), (1052, 18717), (1101, 17884), (1468, 13413), (1578, 12478), (2202, 8942), (3156, 6239), (4404, 4471)]