15888971988

素因数分解:

$2^2\times 3^6\times {\mathrm{1747}}^1\times {\mathrm{3119}}^1$

素因数の和:4888

約数の個数: 84

約数和(自身を含む): 41726717760

約数和(自身を除く): 25837745772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 1747, 2916, 3119, 3494, 5241, 6238, 6988, 9357, 10482, 12476, 15723, 18714, 20964, 28071, 31446, 37428, 47169, 56142, 62892, 84213, 94338, 112284, 141507, 168426, 188676, 252639, 283014, 336852, 424521, 505278, 566028, 757917, 849042, 1010556, 1273563, 1515834, 1698084, 2273751, 2547126, 3031668, 4547502, 5094252, 5448893, 9095004, 10897786, 16346679, 21795572, 32693358, 49040037, 65386716, 98080074, 147120111, 196160148, 294240222, 441360333, 588480444, 882720666, 1324080999, 1765441332, 2648161998, 3972242997, 5296323996, 7944485994, 15888971988]

約数ペア:

[(1, 15888971988), (2, 7944485994), (3, 5296323996), (4, 3972242997), (6, 2648161998), (9, 1765441332), (12, 1324080999), (18, 882720666), (27, 588480444), (36, 441360333), (54, 294240222), (81, 196160148), (108, 147120111), (162, 98080074), (243, 65386716), (324, 49040037), (486, 32693358), (729, 21795572), (972, 16346679), (1458, 10897786), (1747, 9095004), (2916, 5448893), (3119, 5094252), (3494, 4547502), (5241, 3031668), (6238, 2547126), (6988, 2273751), (9357, 1698084), (10482, 1515834), (12476, 1273563), (15723, 1010556), (18714, 849042), (20964, 757917), (28071, 566028), (31446, 505278), (37428, 424521), (47169, 336852), (56142, 283014), (62892, 252639), (84213, 188676), (94338, 168426), (112284, 141507)]