19538916

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 51539040

約数和(自身を除く): 32000124

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 71, 76, 102, 114, 142, 204, 213, 228, 284, 323, 426, 646, 852, 969, 1207, 1292, 1349, 1938, 2414, 2698, 3621, 3876, 4047, 4828, 5041, 5396, 7242, 8094, 10082, 14484, 15123, 16188, 20164, 22933, 30246, 45866, 60492, 68799, 85697, 91732, 95779, 137598, 171394, 191558, 257091, 275196, 287337, 342788, 383116, 514182, 574674, 1028364, 1149348, 1628243, 3256486, 4884729, 6512972, 9769458, 19538916]

約数ペア:

[(1, 19538916), (2, 9769458), (3, 6512972), (4, 4884729), (6, 3256486), (12, 1628243), (17, 1149348), (19, 1028364), (34, 574674), (38, 514182), (51, 383116), (57, 342788), (68, 287337), (71, 275196), (76, 257091), (102, 191558), (114, 171394), (142, 137598), (204, 95779), (213, 91732), (228, 85697), (284, 68799), (323, 60492), (426, 45866), (646, 30246), (852, 22933), (969, 20164), (1207, 16188), (1292, 15123), (1349, 14484), (1938, 10082), (2414, 8094), (2698, 7242), (3621, 5396), (3876, 5041), (4047, 4828)]