19686204

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1739

約数の個数: 72

約数和(自身を含む): 55495440

約数和(自身を除く): 35809236

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1693, 1938, 2907, 3386, 3876, 5079, 5814, 6772, 10158, 11628, 15237, 20316, 28781, 30474, 32167, 57562, 60948, 64334, 86343, 96501, 115124, 128668, 172686, 193002, 259029, 289503, 345372, 386004, 518058, 546839, 579006, 1036116, 1093678, 1158012, 1640517, 2187356, 3281034, 4921551, 6562068, 9843102, 19686204]

約数ペア:

[(1, 19686204), (2, 9843102), (3, 6562068), (4, 4921551), (6, 3281034), (9, 2187356), (12, 1640517), (17, 1158012), (18, 1093678), (19, 1036116), (34, 579006), (36, 546839), (38, 518058), (51, 386004), (57, 345372), (68, 289503), (76, 259029), (102, 193002), (114, 172686), (153, 128668), (171, 115124), (204, 96501), (228, 86343), (306, 64334), (323, 60948), (342, 57562), (612, 32167), (646, 30474), (684, 28781), (969, 20316), (1292, 15237), (1693, 11628), (1938, 10158), (2907, 6772), (3386, 5814), (3876, 5079)]