2018871939

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 3246243840

約数和(自身を除く): 1227371901

約数列:

[1, 3, 7, 21, 41, 67, 79, 123, 201, 237, 287, 443, 469, 553, 861, 1329, 1407, 1659, 2747, 3101, 3239, 5293, 8241, 9303, 9717, 15879, 18163, 19229, 22673, 29681, 34997, 37051, 54489, 57687, 68019, 89043, 104991, 111153, 127141, 207767, 217013, 244979, 381423, 623301, 651039, 734937, 1216921, 1434877, 1519091, 2344799, 3650763, 4304631, 4557273, 7034397, 8518447, 10044139, 16413593, 25555341, 30132417, 49240779, 96136759, 288410277, 672957313, 2018871939]

約数ペア:

[(1, 2018871939), (3, 672957313), (7, 288410277), (21, 96136759), (41, 49240779), (67, 30132417), (79, 25555341), (123, 16413593), (201, 10044139), (237, 8518447), (287, 7034397), (443, 4557273), (469, 4304631), (553, 3650763), (861, 2344799), (1329, 1519091), (1407, 1434877), (1659, 1216921), (2747, 734937), (3101, 651039), (3239, 623301), (5293, 381423), (8241, 244979), (9303, 217013), (9717, 207767), (15879, 127141), (18163, 111153), (19229, 104991), (22673, 89043), (29681, 68019), (34997, 57687), (37051, 54489)]