2018241405

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{181}}^2$

素因数の和:447

約数の個数: 54

約数和(自身を含む): 3615362478

約数和(自身を除く): 1597121073

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 181, 185, 333, 543, 555, 905, 1369, 1629, 1665, 2715, 4107, 6697, 6845, 8145, 12321, 20091, 20535, 32761, 33485, 60273, 61605, 98283, 100455, 163805, 247789, 294849, 301365, 491415, 743367, 1212157, 1238945, 1474245, 2230101, 3636471, 3716835, 6060785, 10909413, 11150505, 18182355, 44849809, 54547065, 134549427, 224249045, 403648281, 672747135, 2018241405]

約数ペア:

[(1, 2018241405), (3, 672747135), (5, 403648281), (9, 224249045), (15, 134549427), (37, 54547065), (45, 44849809), (111, 18182355), (181, 11150505), (185, 10909413), (333, 6060785), (543, 3716835), (555, 3636471), (905, 2230101), (1369, 1474245), (1629, 1238945), (1665, 1212157), (2715, 743367), (4107, 491415), (6697, 301365), (6845, 294849), (8145, 247789), (12321, 163805), (20091, 100455), (20535, 98283), (32761, 61605), (33485, 60273)]