19560198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 47190528

約数和(自身を除く): 27630330

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 41, 42, 74, 82, 111, 123, 222, 246, 259, 287, 307, 518, 574, 614, 777, 861, 921, 1517, 1554, 1722, 1842, 2149, 3034, 4298, 4551, 6447, 9102, 10619, 11359, 12587, 12894, 21238, 22718, 25174, 31857, 34077, 37761, 63714, 68154, 75522, 79513, 88109, 159026, 176218, 238539, 264327, 465719, 477078, 528654, 931438, 1397157, 2794314, 3260033, 6520066, 9780099, 19560198]

約数ペア:

[(1, 19560198), (2, 9780099), (3, 6520066), (6, 3260033), (7, 2794314), (14, 1397157), (21, 931438), (37, 528654), (41, 477078), (42, 465719), (74, 264327), (82, 238539), (111, 176218), (123, 159026), (222, 88109), (246, 79513), (259, 75522), (287, 68154), (307, 63714), (518, 37761), (574, 34077), (614, 31857), (777, 25174), (861, 22718), (921, 21238), (1517, 12894), (1554, 12587), (1722, 11359), (1842, 10619), (2149, 9102), (3034, 6447), (4298, 4551)]