18884910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 31192530

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 89, 110, 165, 178, 267, 330, 445, 534, 643, 890, 979, 1286, 1335, 1929, 1958, 2670, 2937, 3215, 3858, 4895, 5874, 6430, 7073, 9645, 9790, 14146, 14685, 19290, 21219, 29370, 35365, 42438, 57227, 70730, 106095, 114454, 171681, 212190, 286135, 343362, 572270, 629497, 858405, 1258994, 1716810, 1888491, 3147485, 3776982, 6294970, 9442455, 18884910]

約数ペア:

[(1, 18884910), (2, 9442455), (3, 6294970), (5, 3776982), (6, 3147485), (10, 1888491), (11, 1716810), (15, 1258994), (22, 858405), (30, 629497), (33, 572270), (55, 343362), (66, 286135), (89, 212190), (110, 171681), (165, 114454), (178, 106095), (267, 70730), (330, 57227), (445, 42438), (534, 35365), (643, 29370), (890, 21219), (979, 19290), (1286, 14685), (1335, 14146), (1929, 9790), (1958, 9645), (2670, 7073), (2937, 6430), (3215, 5874), (3858, 4895)]