19956258

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3863}}^1$

素因数の和:3919

約数の個数: 48

約数和(自身を含む): 50633856

約数和(自身を除く): 30677598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 3863, 5166, 7726, 11589, 23178, 27041, 34767, 54082, 69534, 81123, 158383, 162246, 243369, 316766, 475149, 486738, 950298, 1108681, 1425447, 2217362, 2850894, 3326043, 6652086, 9978129, 19956258]

約数ペア:

[(1, 19956258), (2, 9978129), (3, 6652086), (6, 3326043), (7, 2850894), (9, 2217362), (14, 1425447), (18, 1108681), (21, 950298), (41, 486738), (42, 475149), (63, 316766), (82, 243369), (123, 162246), (126, 158383), (246, 81123), (287, 69534), (369, 54082), (574, 34767), (738, 27041), (861, 23178), (1722, 11589), (2583, 7726), (3863, 5166)]