18808686

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 45962280

約数和(自身を除く): 27153594

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 169, 229, 234, 243, 338, 351, 458, 486, 507, 687, 702, 1014, 1053, 1374, 1521, 2061, 2106, 2977, 3042, 3159, 4122, 4563, 5954, 6183, 6318, 8931, 9126, 12366, 13689, 17862, 18549, 26793, 27378, 37098, 38701, 41067, 53586, 55647, 77402, 80379, 82134, 111294, 116103, 160758, 232206, 241137, 348309, 482274, 696618, 723411, 1044927, 1446822, 2089854, 3134781, 6269562, 9404343, 18808686]

約数ペア:

[(1, 18808686), (2, 9404343), (3, 6269562), (6, 3134781), (9, 2089854), (13, 1446822), (18, 1044927), (26, 723411), (27, 696618), (39, 482274), (54, 348309), (78, 241137), (81, 232206), (117, 160758), (162, 116103), (169, 111294), (229, 82134), (234, 80379), (243, 77402), (338, 55647), (351, 53586), (458, 41067), (486, 38701), (507, 37098), (687, 27378), (702, 26793), (1014, 18549), (1053, 17862), (1374, 13689), (1521, 12366), (2061, 9126), (2106, 8931), (2977, 6318), (3042, 6183), (3159, 5954), (4122, 4563)]