18991890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12413}}^1$

素因数の和:12443

約数の個数: 48

約数和(自身を含む): 52287768

約数和(自身を除く): 33295878

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 12413, 24826, 37239, 62065, 74478, 111717, 124130, 186195, 211021, 223434, 372390, 422042, 558585, 633063, 1055105, 1117170, 1266126, 1899189, 2110210, 3165315, 3798378, 6330630, 9495945, 18991890]

約数ペア:

[(1, 18991890), (2, 9495945), (3, 6330630), (5, 3798378), (6, 3165315), (9, 2110210), (10, 1899189), (15, 1266126), (17, 1117170), (18, 1055105), (30, 633063), (34, 558585), (45, 422042), (51, 372390), (85, 223434), (90, 211021), (102, 186195), (153, 124130), (170, 111717), (255, 74478), (306, 62065), (510, 37239), (765, 24826), (1530, 12413)]