19214860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2801}}^1$

素因数の和:2831

約数の個数: 48

約数和(自身を含む): 47073600

約数和(自身を除く): 27858740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2801, 3430, 5602, 6860, 11204, 14005, 19607, 28010, 39214, 56020, 78428, 98035, 137249, 196070, 274498, 392140, 548996, 686245, 960743, 1372490, 1921486, 2744980, 3842972, 4803715, 9607430, 19214860]

約数ペア:

[(1, 19214860), (2, 9607430), (4, 4803715), (5, 3842972), (7, 2744980), (10, 1921486), (14, 1372490), (20, 960743), (28, 686245), (35, 548996), (49, 392140), (70, 274498), (98, 196070), (140, 137249), (196, 98035), (245, 78428), (343, 56020), (490, 39214), (686, 28010), (980, 19607), (1372, 14005), (1715, 11204), (2801, 6860), (3430, 5602)]