19192761

素因数分解:

$3^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 33652800

約数和(自身を除く): 14460039

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 89, 147, 163, 189, 267, 441, 489, 623, 801, 1141, 1323, 1467, 1869, 2403, 3423, 4361, 4401, 5607, 7987, 10269, 13083, 14507, 16821, 23961, 30807, 39249, 43521, 71883, 101549, 117747, 130563, 215649, 304647, 391689, 710843, 913941, 2132529, 2741823, 6397587, 19192761]

約数ペア:

[(1, 19192761), (3, 6397587), (7, 2741823), (9, 2132529), (21, 913941), (27, 710843), (49, 391689), (63, 304647), (89, 215649), (147, 130563), (163, 117747), (189, 101549), (267, 71883), (441, 43521), (489, 39249), (623, 30807), (801, 23961), (1141, 16821), (1323, 14507), (1467, 13083), (1869, 10269), (2403, 7987), (3423, 5607), (4361, 4401)]