18987912

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{5171}}^1$

素因数の和:5203

約数の個数: 64

約数和(自身を含む): 55857600

約数和(自身を除く): 36869688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 306, 408, 459, 612, 918, 1224, 1836, 3672, 5171, 10342, 15513, 20684, 31026, 41368, 46539, 62052, 87907, 93078, 124104, 139617, 175814, 186156, 263721, 279234, 351628, 372312, 527442, 558468, 703256, 791163, 1054884, 1116936, 1582326, 2109768, 2373489, 3164652, 4746978, 6329304, 9493956, 18987912]

約数ペア:

[(1, 18987912), (2, 9493956), (3, 6329304), (4, 4746978), (6, 3164652), (8, 2373489), (9, 2109768), (12, 1582326), (17, 1116936), (18, 1054884), (24, 791163), (27, 703256), (34, 558468), (36, 527442), (51, 372312), (54, 351628), (68, 279234), (72, 263721), (102, 186156), (108, 175814), (136, 139617), (153, 124104), (204, 93078), (216, 87907), (306, 62052), (408, 46539), (459, 41368), (612, 31026), (918, 20684), (1224, 15513), (1836, 10342), (3672, 5171)]