1816721556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{612929}}^1$

素因数の和:612968

約数の個数: 48

約数和(自身を含む): 4805371200

約数和(自身を除く): 2988649644

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 612929, 1225858, 1838787, 2451716, 3677574, 7355148, 7968077, 11645651, 15936154, 23291302, 23904231, 31872308, 34936953, 46582604, 47808462, 69873906, 95616924, 139747812, 151393463, 302786926, 454180389, 605573852, 908360778, 1816721556]

約数ペア:

[(1, 1816721556), (2, 908360778), (3, 605573852), (4, 454180389), (6, 302786926), (12, 151393463), (13, 139747812), (19, 95616924), (26, 69873906), (38, 47808462), (39, 46582604), (52, 34936953), (57, 31872308), (76, 23904231), (78, 23291302), (114, 15936154), (156, 11645651), (228, 7968077), (247, 7355148), (494, 3677574), (741, 2451716), (988, 1838787), (1482, 1225858), (2964, 612929)]