18947731684

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2095061}}^1$

素因数の和:2095108

約数の個数: 48

約数和(自身を含む): 42236449920

約数和(自身を除く): 23288718236

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 4522, 9044, 2095061, 4190122, 8380244, 14665427, 29330854, 35616037, 39806159, 58661708, 71232074, 79612318, 142464148, 159224636, 249312259, 278643113, 498624518, 557286226, 676704703, 997249036, 1114572452, 1353409406, 2706818812, 4736932921, 9473865842, 18947731684]

約数ペア:

[(1, 18947731684), (2, 9473865842), (4, 4736932921), (7, 2706818812), (14, 1353409406), (17, 1114572452), (19, 997249036), (28, 676704703), (34, 557286226), (38, 498624518), (68, 278643113), (76, 249312259), (119, 159224636), (133, 142464148), (238, 79612318), (266, 71232074), (323, 58661708), (476, 39806159), (532, 35616037), (646, 29330854), (1292, 14665427), (2261, 8380244), (4522, 4190122), (9044, 2095061)]