18863676

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2371}}^1$

素因数の和:2411

約数の個数: 72

約数和(自身を含む): 54394704

約数和(自身を除く): 35531028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2371, 2652, 3978, 4742, 7113, 7956, 9484, 14226, 21339, 28452, 30823, 40307, 42678, 61646, 80614, 85356, 92469, 120921, 123292, 161228, 184938, 241842, 277407, 362763, 369876, 483684, 523991, 554814, 725526, 1047982, 1109628, 1451052, 1571973, 2095964, 3143946, 4715919, 6287892, 9431838, 18863676]

約数ペア:

[(1, 18863676), (2, 9431838), (3, 6287892), (4, 4715919), (6, 3143946), (9, 2095964), (12, 1571973), (13, 1451052), (17, 1109628), (18, 1047982), (26, 725526), (34, 554814), (36, 523991), (39, 483684), (51, 369876), (52, 362763), (68, 277407), (78, 241842), (102, 184938), (117, 161228), (153, 123292), (156, 120921), (204, 92469), (221, 85356), (234, 80614), (306, 61646), (442, 42678), (468, 40307), (612, 30823), (663, 28452), (884, 21339), (1326, 14226), (1989, 9484), (2371, 7956), (2652, 7113), (3978, 4742)]