2019988404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:806

約数の個数: 144

約数和(自身を含む): 5964090496

約数和(自身を除く): 3944102092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 331, 366, 397, 427, 549, 662, 732, 794, 854, 993, 1098, 1191, 1281, 1324, 1588, 1708, 1986, 2196, 2317, 2382, 2562, 2779, 2979, 3573, 3843, 3972, 4634, 4764, 5124, 5558, 5958, 6951, 7146, 7686, 8337, 9268, 11116, 11916, 13902, 14292, 15372, 16674, 20191, 20853, 24217, 25011, 27804, 33348, 40382, 41706, 48434, 50022, 60573, 72651, 80764, 83412, 96868, 100044, 121146, 131407, 141337, 145302, 169519, 181719, 217953, 242292, 262814, 282674, 290604, 339038, 363438, 394221, 424011, 435906, 508557, 525628, 565348, 678076, 726876, 788442, 848022, 871812, 919849, 1017114, 1182663, 1272033, 1525671, 1576884, 1696044, 1839698, 2034228, 2365326, 2544066, 2759547, 3051342, 3679396, 4730652, 5088132, 5519094, 6102684, 8015827, 8278641, 11038188, 16031654, 16557282, 24047481, 32063308, 33114564, 48094962, 56110789, 72142443, 96189924, 112221578, 144284886, 168332367, 224443156, 288569772, 336664734, 504997101, 673329468, 1009994202, 2019988404]

約数ペア:

[(1, 2019988404), (2, 1009994202), (3, 673329468), (4, 504997101), (6, 336664734), (7, 288569772), (9, 224443156), (12, 168332367), (14, 144284886), (18, 112221578), (21, 96189924), (28, 72142443), (36, 56110789), (42, 48094962), (61, 33114564), (63, 32063308), (84, 24047481), (122, 16557282), (126, 16031654), (183, 11038188), (244, 8278641), (252, 8015827), (331, 6102684), (366, 5519094), (397, 5088132), (427, 4730652), (549, 3679396), (662, 3051342), (732, 2759547), (794, 2544066), (854, 2365326), (993, 2034228), (1098, 1839698), (1191, 1696044), (1281, 1576884), (1324, 1525671), (1588, 1272033), (1708, 1182663), (1986, 1017114), (2196, 919849), (2317, 871812), (2382, 848022), (2562, 788442), (2779, 726876), (2979, 678076), (3573, 565348), (3843, 525628), (3972, 508557), (4634, 435906), (4764, 424011), (5124, 394221), (5558, 363438), (5958, 339038), (6951, 290604), (7146, 282674), (7686, 262814), (8337, 242292), (9268, 217953), (11116, 181719), (11916, 169519), (13902, 145302), (14292, 141337), (15372, 131407), (16674, 121146), (20191, 100044), (20853, 96868), (24217, 83412), (25011, 80764), (27804, 72651), (33348, 60573), (40382, 50022), (41706, 48434)]