19739538

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:150

約数の個数: 120

約数和(自身を含む): 55268928

約数和(自身を除く): 35529390

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 103, 117, 126, 162, 169, 182, 189, 206, 234, 273, 309, 338, 351, 378, 507, 546, 567, 618, 702, 721, 819, 927, 1014, 1053, 1134, 1183, 1339, 1442, 1521, 1638, 1854, 2106, 2163, 2366, 2457, 2678, 2781, 3042, 3549, 4017, 4326, 4563, 4914, 5562, 6489, 7098, 7371, 8034, 8343, 9126, 9373, 10647, 12051, 12978, 13689, 14742, 16686, 17407, 18746, 19467, 21294, 24102, 27378, 28119, 31941, 34814, 36153, 38934, 52221, 56238, 58401, 63882, 72306, 84357, 95823, 104442, 108459, 116802, 121849, 156663, 168714, 191646, 216918, 243698, 253071, 313326, 365547, 469989, 506142, 731094, 759213, 939978, 1096641, 1409967, 1518426, 2193282, 2819934, 3289923, 6579846, 9869769, 19739538]

約数ペア:

[(1, 19739538), (2, 9869769), (3, 6579846), (6, 3289923), (7, 2819934), (9, 2193282), (13, 1518426), (14, 1409967), (18, 1096641), (21, 939978), (26, 759213), (27, 731094), (39, 506142), (42, 469989), (54, 365547), (63, 313326), (78, 253071), (81, 243698), (91, 216918), (103, 191646), (117, 168714), (126, 156663), (162, 121849), (169, 116802), (182, 108459), (189, 104442), (206, 95823), (234, 84357), (273, 72306), (309, 63882), (338, 58401), (351, 56238), (378, 52221), (507, 38934), (546, 36153), (567, 34814), (618, 31941), (702, 28119), (721, 27378), (819, 24102), (927, 21294), (1014, 19467), (1053, 18746), (1134, 17407), (1183, 16686), (1339, 14742), (1442, 13689), (1521, 12978), (1638, 12051), (1854, 10647), (2106, 9373), (2163, 9126), (2366, 8343), (2457, 8034), (2678, 7371), (2781, 7098), (3042, 6489), (3549, 5562), (4017, 4914), (4326, 4563)]