19455384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 52899840

約数和(自身を除く): 33444456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 127, 156, 254, 312, 381, 491, 508, 762, 982, 1016, 1473, 1524, 1651, 1964, 2946, 3048, 3302, 3928, 4953, 5892, 6383, 6604, 9906, 11784, 12766, 13208, 19149, 19812, 25532, 38298, 39624, 51064, 62357, 76596, 124714, 153192, 187071, 249428, 374142, 498856, 748284, 810641, 1496568, 1621282, 2431923, 3242564, 4863846, 6485128, 9727692, 19455384]

約数ペア:

[(1, 19455384), (2, 9727692), (3, 6485128), (4, 4863846), (6, 3242564), (8, 2431923), (12, 1621282), (13, 1496568), (24, 810641), (26, 748284), (39, 498856), (52, 374142), (78, 249428), (104, 187071), (127, 153192), (156, 124714), (254, 76596), (312, 62357), (381, 51064), (491, 39624), (508, 38298), (762, 25532), (982, 19812), (1016, 19149), (1473, 13208), (1524, 12766), (1651, 11784), (1964, 9906), (2946, 6604), (3048, 6383), (3302, 5892), (3928, 4953)]