2018011185

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:724

約数の個数: 128

約数和(自身を含む): 3999744000

約数和(自身を除く): 1981732815

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 41, 45, 57, 93, 95, 123, 135, 155, 171, 205, 279, 285, 369, 465, 513, 589, 615, 619, 779, 837, 855, 1107, 1271, 1395, 1767, 1845, 1857, 2337, 2565, 2945, 3095, 3813, 3895, 4185, 5301, 5535, 5571, 6355, 7011, 8835, 9285, 11439, 11685, 11761, 15903, 16713, 19065, 19189, 21033, 24149, 25379, 26505, 27855, 34317, 35055, 35283, 57195, 57567, 58805, 72447, 76137, 79515, 83565, 95945, 105165, 105849, 120745, 126895, 171585, 172701, 176415, 217341, 228411, 287835, 317547, 362235, 364591, 380685, 482201, 518103, 529245, 652023, 685233, 786749, 863505, 1086705, 1093773, 1142055, 1446603, 1587735, 1822955, 2360247, 2411005, 2590515, 3260115, 3281319, 3426165, 3933745, 4339809, 5468865, 7080741, 7233015, 9843957, 11801235, 13019427, 14948231, 16406595, 21242223, 21699045, 35403705, 44844693, 49219785, 65097135, 74741155, 106211115, 134534079, 224223465, 403602237, 672670395, 2018011185]

約数ペア:

[(1, 2018011185), (3, 672670395), (5, 403602237), (9, 224223465), (15, 134534079), (19, 106211115), (27, 74741155), (31, 65097135), (41, 49219785), (45, 44844693), (57, 35403705), (93, 21699045), (95, 21242223), (123, 16406595), (135, 14948231), (155, 13019427), (171, 11801235), (205, 9843957), (279, 7233015), (285, 7080741), (369, 5468865), (465, 4339809), (513, 3933745), (589, 3426165), (615, 3281319), (619, 3260115), (779, 2590515), (837, 2411005), (855, 2360247), (1107, 1822955), (1271, 1587735), (1395, 1446603), (1767, 1142055), (1845, 1093773), (1857, 1086705), (2337, 863505), (2565, 786749), (2945, 685233), (3095, 652023), (3813, 529245), (3895, 518103), (4185, 482201), (5301, 380685), (5535, 364591), (5571, 362235), (6355, 317547), (7011, 287835), (8835, 228411), (9285, 217341), (11439, 176415), (11685, 172701), (11761, 171585), (15903, 126895), (16713, 120745), (19065, 105849), (19189, 105165), (21033, 95945), (24149, 83565), (25379, 79515), (26505, 76137), (27855, 72447), (34317, 58805), (35055, 57567), (35283, 57195)]