16438968

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 55383120

約数和(自身を除く): 38944152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 169, 182, 193, 234, 252, 273, 312, 338, 364, 386, 468, 504, 507, 546, 579, 676, 728, 772, 819, 936, 1014, 1092, 1158, 1183, 1351, 1352, 1521, 1544, 1638, 1737, 2028, 2184, 2316, 2366, 2509, 2702, 3042, 3276, 3474, 3549, 4053, 4056, 4632, 4732, 5018, 5404, 6084, 6552, 6948, 7098, 7527, 8106, 9464, 10036, 10647, 10808, 12159, 12168, 13896, 14196, 15054, 16212, 17563, 20072, 21294, 22581, 24318, 28392, 30108, 32424, 32617, 35126, 42588, 45162, 48636, 52689, 60216, 65234, 70252, 85176, 90324, 97272, 97851, 105378, 130468, 140504, 158067, 180648, 195702, 210756, 228319, 260936, 293553, 316134, 391404, 421512, 456638, 587106, 632268, 684957, 782808, 913276, 1174212, 1264536, 1369914, 1826552, 2054871, 2348424, 2739828, 4109742, 5479656, 8219484, 16438968]

約数ペア:

[(1, 16438968), (2, 8219484), (3, 5479656), (4, 4109742), (6, 2739828), (7, 2348424), (8, 2054871), (9, 1826552), (12, 1369914), (13, 1264536), (14, 1174212), (18, 913276), (21, 782808), (24, 684957), (26, 632268), (28, 587106), (36, 456638), (39, 421512), (42, 391404), (52, 316134), (56, 293553), (63, 260936), (72, 228319), (78, 210756), (84, 195702), (91, 180648), (104, 158067), (117, 140504), (126, 130468), (156, 105378), (168, 97851), (169, 97272), (182, 90324), (193, 85176), (234, 70252), (252, 65234), (273, 60216), (312, 52689), (338, 48636), (364, 45162), (386, 42588), (468, 35126), (504, 32617), (507, 32424), (546, 30108), (579, 28392), (676, 24318), (728, 22581), (772, 21294), (819, 20072), (936, 17563), (1014, 16212), (1092, 15054), (1158, 14196), (1183, 13896), (1351, 12168), (1352, 12159), (1521, 10808), (1544, 10647), (1638, 10036), (1737, 9464), (2028, 8106), (2184, 7527), (2316, 7098), (2366, 6948), (2509, 6552), (2702, 6084), (3042, 5404), (3276, 5018), (3474, 4732), (3549, 4632), (4053, 4056)]