18605655

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 34744320

約数和(自身を除く): 16138665

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 463, 705, 855, 893, 1389, 2115, 2315, 2679, 4167, 4465, 6945, 8037, 8797, 13395, 20835, 21761, 26391, 40185, 43985, 65283, 79173, 108805, 131955, 195849, 326415, 395865, 413459, 979245, 1240377, 2067295, 3721131, 6201885, 18605655]

約数ペア:

[(1, 18605655), (3, 6201885), (5, 3721131), (9, 2067295), (15, 1240377), (19, 979245), (45, 413459), (47, 395865), (57, 326415), (95, 195849), (141, 131955), (171, 108805), (235, 79173), (285, 65283), (423, 43985), (463, 40185), (705, 26391), (855, 21761), (893, 20835), (1389, 13395), (2115, 8797), (2315, 8037), (2679, 6945), (4167, 4465)]