19796049

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1187

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 16975791

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1151, 1323, 1911, 2457, 3453, 5733, 8057, 10359, 14963, 17199, 24171, 31077, 44889, 56399, 72513, 104741, 134667, 169197, 217539, 314223, 404001, 507591, 733187, 942669, 1522773, 2199561, 2828007, 6598683, 19796049]

約数ペア:

[(1, 19796049), (3, 6598683), (7, 2828007), (9, 2199561), (13, 1522773), (21, 942669), (27, 733187), (39, 507591), (49, 404001), (63, 314223), (91, 217539), (117, 169197), (147, 134667), (189, 104741), (273, 72513), (351, 56399), (441, 44889), (637, 31077), (819, 24171), (1151, 17199), (1323, 14963), (1911, 10359), (2457, 8057), (3453, 5733)]