18956574

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 51577344

約数和(自身を除く): 32620770

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 71, 78, 91, 117, 126, 142, 163, 182, 213, 234, 273, 326, 426, 489, 497, 546, 639, 819, 923, 978, 994, 1141, 1278, 1467, 1491, 1638, 1846, 2119, 2282, 2769, 2934, 2982, 3423, 4238, 4473, 5538, 6357, 6461, 6846, 8307, 8946, 10269, 11573, 12714, 12922, 14833, 16614, 19071, 19383, 20538, 23146, 29666, 34719, 38142, 38766, 44499, 58149, 69438, 81011, 88998, 104157, 116298, 133497, 150449, 162022, 208314, 243033, 266994, 300898, 451347, 486066, 729099, 902694, 1053143, 1354041, 1458198, 2106286, 2708082, 3159429, 6318858, 9478287, 18956574]

約数ペア:

[(1, 18956574), (2, 9478287), (3, 6318858), (6, 3159429), (7, 2708082), (9, 2106286), (13, 1458198), (14, 1354041), (18, 1053143), (21, 902694), (26, 729099), (39, 486066), (42, 451347), (63, 300898), (71, 266994), (78, 243033), (91, 208314), (117, 162022), (126, 150449), (142, 133497), (163, 116298), (182, 104157), (213, 88998), (234, 81011), (273, 69438), (326, 58149), (426, 44499), (489, 38766), (497, 38142), (546, 34719), (639, 29666), (819, 23146), (923, 20538), (978, 19383), (994, 19071), (1141, 16614), (1278, 14833), (1467, 12922), (1491, 12714), (1638, 11573), (1846, 10269), (2119, 8946), (2282, 8307), (2769, 6846), (2934, 6461), (2982, 6357), (3423, 5538), (4238, 4473)]