18667872

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1292

約数の個数: 72

約数和(自身を含む): 54132624

約数和(自身を除く): 35464752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1223, 1272, 1696, 1908, 2446, 2544, 3669, 3816, 4892, 5088, 7338, 7632, 9784, 11007, 14676, 15264, 19568, 22014, 29352, 39136, 44028, 58704, 64819, 88056, 117408, 129638, 176112, 194457, 259276, 352224, 388914, 518552, 583371, 777828, 1037104, 1166742, 1555656, 2074208, 2333484, 3111312, 4666968, 6222624, 9333936, 18667872]

約数ペア:

[(1, 18667872), (2, 9333936), (3, 6222624), (4, 4666968), (6, 3111312), (8, 2333484), (9, 2074208), (12, 1555656), (16, 1166742), (18, 1037104), (24, 777828), (32, 583371), (36, 518552), (48, 388914), (53, 352224), (72, 259276), (96, 194457), (106, 176112), (144, 129638), (159, 117408), (212, 88056), (288, 64819), (318, 58704), (424, 44028), (477, 39136), (636, 29352), (848, 22014), (954, 19568), (1223, 15264), (1272, 14676), (1696, 11007), (1908, 9784), (2446, 7632), (2544, 7338), (3669, 5088), (3816, 4892)]