18903612

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 55279056

約数和(自身を除く): 36375444

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2473, 2548, 3822, 4946, 7419, 7644, 9892, 14838, 17311, 29676, 32149, 34622, 51933, 64298, 69244, 96447, 103866, 121177, 128596, 192894, 207732, 225043, 242354, 363531, 385788, 450086, 484708, 675129, 727062, 900172, 1350258, 1454124, 1575301, 2700516, 3150602, 4725903, 6301204, 9451806, 18903612]

約数ペア:

[(1, 18903612), (2, 9451806), (3, 6301204), (4, 4725903), (6, 3150602), (7, 2700516), (12, 1575301), (13, 1454124), (14, 1350258), (21, 900172), (26, 727062), (28, 675129), (39, 484708), (42, 450086), (49, 385788), (52, 363531), (78, 242354), (84, 225043), (91, 207732), (98, 192894), (147, 128596), (156, 121177), (182, 103866), (196, 96447), (273, 69244), (294, 64298), (364, 51933), (546, 34622), (588, 32149), (637, 29676), (1092, 17311), (1274, 14838), (1911, 9892), (2473, 7644), (2548, 7419), (3822, 4946)]