19904904

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{9533}}^1$

素因数の和:9574

約数の個数: 48

約数和(自身を含む): 55773900

約数和(自身を除く): 35868996

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 9533, 19066, 28599, 38132, 57198, 76264, 85797, 114396, 171594, 228792, 276457, 343188, 552914, 686376, 829371, 1105828, 1658742, 2211656, 2488113, 3317484, 4976226, 6634968, 9952452, 19904904]

約数ペア:

[(1, 19904904), (2, 9952452), (3, 6634968), (4, 4976226), (6, 3317484), (8, 2488113), (9, 2211656), (12, 1658742), (18, 1105828), (24, 829371), (29, 686376), (36, 552914), (58, 343188), (72, 276457), (87, 228792), (116, 171594), (174, 114396), (232, 85797), (261, 76264), (348, 57198), (522, 38132), (696, 28599), (1044, 19066), (2088, 9533)]