19194280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1399}}^1$

素因数の和:1431

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 31205720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1399, 1715, 1960, 2744, 2798, 3430, 5596, 6860, 6995, 9793, 11192, 13720, 13990, 19586, 27980, 39172, 48965, 55960, 68551, 78344, 97930, 137102, 195860, 274204, 342755, 391720, 479857, 548408, 685510, 959714, 1371020, 1919428, 2399285, 2742040, 3838856, 4798570, 9597140, 19194280]

約数ペア:

[(1, 19194280), (2, 9597140), (4, 4798570), (5, 3838856), (7, 2742040), (8, 2399285), (10, 1919428), (14, 1371020), (20, 959714), (28, 685510), (35, 548408), (40, 479857), (49, 391720), (56, 342755), (70, 274204), (98, 195860), (140, 137102), (196, 97930), (245, 78344), (280, 68551), (343, 55960), (392, 48965), (490, 39172), (686, 27980), (980, 19586), (1372, 13990), (1399, 13720), (1715, 11192), (1960, 9793), (2744, 6995), (2798, 6860), (3430, 5596)]