18504738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 49735296

約数和(自身を除く): 31230558

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 53, 63, 102, 106, 119, 126, 153, 159, 163, 238, 306, 318, 326, 357, 371, 477, 489, 714, 742, 901, 954, 978, 1071, 1113, 1141, 1467, 1802, 2142, 2226, 2282, 2703, 2771, 2934, 3339, 3423, 5406, 5542, 6307, 6678, 6846, 8109, 8313, 8639, 10269, 12614, 16218, 16626, 17278, 18921, 19397, 20538, 24939, 25917, 37842, 38794, 49878, 51834, 56763, 58191, 60473, 77751, 113526, 116382, 120946, 146863, 155502, 174573, 181419, 293726, 349146, 362838, 440589, 544257, 881178, 1028041, 1088514, 1321767, 2056082, 2643534, 3084123, 6168246, 9252369, 18504738]

約数ペア:

[(1, 18504738), (2, 9252369), (3, 6168246), (6, 3084123), (7, 2643534), (9, 2056082), (14, 1321767), (17, 1088514), (18, 1028041), (21, 881178), (34, 544257), (42, 440589), (51, 362838), (53, 349146), (63, 293726), (102, 181419), (106, 174573), (119, 155502), (126, 146863), (153, 120946), (159, 116382), (163, 113526), (238, 77751), (306, 60473), (318, 58191), (326, 56763), (357, 51834), (371, 49878), (477, 38794), (489, 37842), (714, 25917), (742, 24939), (901, 20538), (954, 19397), (978, 18921), (1071, 17278), (1113, 16626), (1141, 16218), (1467, 12614), (1802, 10269), (2142, 8639), (2226, 8313), (2282, 8109), (2703, 6846), (2771, 6678), (2934, 6307), (3339, 5542), (3423, 5406)]