19976112

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3557}}^1$

素因数の和:3587

約数の個数: 80

約数和(自身を含む): 61766880

約数和(自身を除く): 41790768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3557, 5616, 7114, 10671, 14228, 21342, 28456, 32013, 42684, 46241, 56912, 64026, 85368, 92482, 96039, 128052, 138723, 170736, 184964, 192078, 256104, 277446, 369928, 384156, 416169, 512208, 554892, 739856, 768312, 832338, 1109784, 1248507, 1536624, 1664676, 2219568, 2497014, 3329352, 4994028, 6658704, 9988056, 19976112]

約数ペア:

[(1, 19976112), (2, 9988056), (3, 6658704), (4, 4994028), (6, 3329352), (8, 2497014), (9, 2219568), (12, 1664676), (13, 1536624), (16, 1248507), (18, 1109784), (24, 832338), (26, 768312), (27, 739856), (36, 554892), (39, 512208), (48, 416169), (52, 384156), (54, 369928), (72, 277446), (78, 256104), (104, 192078), (108, 184964), (117, 170736), (144, 138723), (156, 128052), (208, 96039), (216, 92482), (234, 85368), (312, 64026), (351, 56912), (432, 46241), (468, 42684), (624, 32013), (702, 28456), (936, 21342), (1404, 14228), (1872, 10671), (2808, 7114), (3557, 5616)]