19080530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 22287790

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 53, 70, 74, 106, 139, 185, 259, 265, 278, 370, 371, 518, 530, 695, 742, 973, 1295, 1390, 1855, 1946, 1961, 2590, 3710, 3922, 4865, 5143, 7367, 9730, 9805, 10286, 13727, 14734, 19610, 25715, 27454, 36001, 36835, 51430, 51569, 68635, 72002, 73670, 103138, 137270, 180005, 257845, 272579, 360010, 515690, 545158, 1362895, 1908053, 2725790, 3816106, 9540265, 19080530]

約数ペア:

[(1, 19080530), (2, 9540265), (5, 3816106), (7, 2725790), (10, 1908053), (14, 1362895), (35, 545158), (37, 515690), (53, 360010), (70, 272579), (74, 257845), (106, 180005), (139, 137270), (185, 103138), (259, 73670), (265, 72002), (278, 68635), (370, 51569), (371, 51430), (518, 36835), (530, 36001), (695, 27454), (742, 25715), (973, 19610), (1295, 14734), (1390, 13727), (1855, 10286), (1946, 9805), (1961, 9730), (2590, 7367), (3710, 5143), (3922, 4865)]