19418284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 38253600

約数和(自身を除く): 18835316

約数列:

[1, 2, 4, 17, 29, 34, 43, 58, 68, 86, 116, 172, 229, 458, 493, 731, 916, 986, 1247, 1462, 1972, 2494, 2924, 3893, 4988, 6641, 7786, 9847, 13282, 15572, 19694, 21199, 26564, 39388, 42398, 84796, 112897, 167399, 225794, 285563, 334798, 451588, 571126, 669596, 1142252, 4854571, 9709142, 19418284]

約数ペア:

[(1, 19418284), (2, 9709142), (4, 4854571), (17, 1142252), (29, 669596), (34, 571126), (43, 451588), (58, 334798), (68, 285563), (86, 225794), (116, 167399), (172, 112897), (229, 84796), (458, 42398), (493, 39388), (731, 26564), (916, 21199), (986, 19694), (1247, 15572), (1462, 13282), (1972, 9847), (2494, 7786), (2924, 6641), (3893, 4988)]