19778652

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2089}}^1$

素因数の和:2362

約数の個数: 36

約数和(自身を含む): 50210160

約数和(自身を除く): 30431508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2089, 2367, 3156, 4178, 4734, 6267, 8356, 9468, 12534, 18801, 25068, 37602, 75204, 549407, 1098814, 1648221, 2197628, 3296442, 4944663, 6592884, 9889326, 19778652]

約数ペア:

[(1, 19778652), (2, 9889326), (3, 6592884), (4, 4944663), (6, 3296442), (9, 2197628), (12, 1648221), (18, 1098814), (36, 549407), (263, 75204), (526, 37602), (789, 25068), (1052, 18801), (1578, 12534), (2089, 9468), (2367, 8356), (3156, 6267), (4178, 4734)]