2018018860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{54277}}^1$

素因数の和:54323

約数の個数: 72

約数和(自身を含む): 5006168496

約数和(自身を除く): 2988149636

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3718, 7436, 9295, 18590, 37180, 54277, 108554, 217108, 271385, 542770, 597047, 705601, 1085540, 1194094, 1411202, 2388188, 2822404, 2985235, 3528005, 5970470, 7056010, 7761611, 9172813, 11940940, 14112020, 15523222, 18345626, 31046444, 36691252, 38808055, 45864065, 77616110, 91728130, 100900943, 155232220, 183456260, 201801886, 403603772, 504504715, 1009009430, 2018018860]

約数ペア:

[(1, 2018018860), (2, 1009009430), (4, 504504715), (5, 403603772), (10, 201801886), (11, 183456260), (13, 155232220), (20, 100900943), (22, 91728130), (26, 77616110), (44, 45864065), (52, 38808055), (55, 36691252), (65, 31046444), (110, 18345626), (130, 15523222), (143, 14112020), (169, 11940940), (220, 9172813), (260, 7761611), (286, 7056010), (338, 5970470), (572, 3528005), (676, 2985235), (715, 2822404), (845, 2388188), (1430, 1411202), (1690, 1194094), (1859, 1085540), (2860, 705601), (3380, 597047), (3718, 542770), (7436, 271385), (9295, 217108), (18590, 108554), (37180, 54277)]