19979364

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 29049756

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 191, 276, 379, 382, 573, 758, 764, 1137, 1146, 1516, 2274, 2292, 4393, 4548, 8717, 8786, 13179, 17434, 17572, 26151, 26358, 34868, 52302, 52716, 72389, 104604, 144778, 217167, 289556, 434334, 868668, 1664947, 3329894, 4994841, 6659788, 9989682, 19979364]

約数ペア:

[(1, 19979364), (2, 9989682), (3, 6659788), (4, 4994841), (6, 3329894), (12, 1664947), (23, 868668), (46, 434334), (69, 289556), (92, 217167), (138, 144778), (191, 104604), (276, 72389), (379, 52716), (382, 52302), (573, 34868), (758, 26358), (764, 26151), (1137, 17572), (1146, 17434), (1516, 13179), (2274, 8786), (2292, 8717), (4393, 4548)]