19938464

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 49787136

約数和(自身を除く): 29848672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 52, 56, 82, 91, 104, 112, 164, 167, 182, 208, 224, 287, 328, 334, 364, 416, 533, 574, 656, 668, 728, 1066, 1148, 1169, 1312, 1336, 1456, 2132, 2171, 2296, 2338, 2672, 2912, 3731, 4264, 4342, 4592, 4676, 5344, 6847, 7462, 8528, 8684, 9184, 9352, 13694, 14924, 15197, 17056, 17368, 18704, 27388, 29848, 30394, 34736, 37408, 47929, 54776, 59696, 60788, 69472, 89011, 95858, 109552, 119392, 121576, 178022, 191716, 219104, 243152, 356044, 383432, 486304, 623077, 712088, 766864, 1246154, 1424176, 1533728, 2492308, 2848352, 4984616, 9969232, 19938464]

約数ペア:

[(1, 19938464), (2, 9969232), (4, 4984616), (7, 2848352), (8, 2492308), (13, 1533728), (14, 1424176), (16, 1246154), (26, 766864), (28, 712088), (32, 623077), (41, 486304), (52, 383432), (56, 356044), (82, 243152), (91, 219104), (104, 191716), (112, 178022), (164, 121576), (167, 119392), (182, 109552), (208, 95858), (224, 89011), (287, 69472), (328, 60788), (334, 59696), (364, 54776), (416, 47929), (533, 37408), (574, 34736), (656, 30394), (668, 29848), (728, 27388), (1066, 18704), (1148, 17368), (1169, 17056), (1312, 15197), (1336, 14924), (1456, 13694), (2132, 9352), (2171, 9184), (2296, 8684), (2338, 8528), (2672, 7462), (2912, 6847), (3731, 5344), (4264, 4676), (4342, 4592)]