19691644

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 42759360

約数和(自身を除く): 23067716

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 119, 164, 238, 287, 476, 574, 697, 1009, 1148, 1394, 2018, 2788, 4036, 4879, 7063, 9758, 14126, 17153, 19516, 28252, 34306, 41369, 68612, 82738, 120071, 165476, 240142, 289583, 480284, 579166, 703273, 1158332, 1406546, 2813092, 4922911, 9845822, 19691644]

約数ペア:

[(1, 19691644), (2, 9845822), (4, 4922911), (7, 2813092), (14, 1406546), (17, 1158332), (28, 703273), (34, 579166), (41, 480284), (68, 289583), (82, 240142), (119, 165476), (164, 120071), (238, 82738), (287, 68612), (476, 41369), (574, 34306), (697, 28252), (1009, 19516), (1148, 17153), (1394, 14126), (2018, 9758), (2788, 7063), (4036, 4879)]