19122201

素因数分解:

$3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:482

約数の個数: 36

約数和(自身を含む): 32473584

約数和(自身を除く): 13351383

約数列:

[1, 3, 7, 9, 21, 49, 63, 131, 147, 331, 393, 441, 917, 993, 1179, 2317, 2751, 2979, 6419, 6951, 8253, 16219, 19257, 20853, 43361, 48657, 57771, 130083, 145971, 303527, 390249, 910581, 2124689, 2731743, 6374067, 19122201]

約数ペア:

[(1, 19122201), (3, 6374067), (7, 2731743), (9, 2124689), (21, 910581), (49, 390249), (63, 303527), (131, 145971), (147, 130083), (331, 57771), (393, 48657), (441, 43361), (917, 20853), (993, 19257), (1179, 16219), (2317, 8253), (2751, 6951), (2979, 6419)]