19214388

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2101

約数の個数: 48

約数和(自身を含む): 50400000

約数和(自身を除く): 31185612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 1999, 2403, 3204, 3998, 4806, 5997, 7996, 9612, 11994, 17991, 23988, 35982, 53973, 71964, 107946, 177911, 215892, 355822, 533733, 711644, 1067466, 1601199, 2134932, 3202398, 4803597, 6404796, 9607194, 19214388]

約数ペア:

[(1, 19214388), (2, 9607194), (3, 6404796), (4, 4803597), (6, 3202398), (9, 2134932), (12, 1601199), (18, 1067466), (27, 711644), (36, 533733), (54, 355822), (89, 215892), (108, 177911), (178, 107946), (267, 71964), (356, 53973), (534, 35982), (801, 23988), (1068, 17991), (1602, 11994), (1999, 9612), (2403, 7996), (3204, 5997), (3998, 4806)]