19691448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 61440000

約数和(自身を除く): 41748552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 31, 38, 42, 56, 57, 62, 76, 84, 93, 114, 124, 133, 152, 168, 186, 199, 217, 228, 248, 266, 372, 398, 399, 434, 456, 532, 589, 597, 651, 744, 796, 798, 868, 1064, 1178, 1194, 1302, 1393, 1592, 1596, 1736, 1767, 2356, 2388, 2604, 2786, 3192, 3534, 3781, 4123, 4179, 4712, 4776, 5208, 5572, 6169, 7068, 7562, 8246, 8358, 11144, 11343, 12338, 12369, 14136, 15124, 16492, 16716, 18507, 22686, 24676, 24738, 26467, 30248, 32984, 33432, 37014, 43183, 45372, 49352, 49476, 52934, 74028, 79401, 86366, 90744, 98952, 105868, 117211, 129549, 148056, 158802, 172732, 211736, 234422, 259098, 317604, 345464, 351633, 468844, 518196, 635208, 703266, 820477, 937688, 1036392, 1406532, 1640954, 2461431, 2813064, 3281908, 4922862, 6563816, 9845724, 19691448]

約数ペア:

[(1, 19691448), (2, 9845724), (3, 6563816), (4, 4922862), (6, 3281908), (7, 2813064), (8, 2461431), (12, 1640954), (14, 1406532), (19, 1036392), (21, 937688), (24, 820477), (28, 703266), (31, 635208), (38, 518196), (42, 468844), (56, 351633), (57, 345464), (62, 317604), (76, 259098), (84, 234422), (93, 211736), (114, 172732), (124, 158802), (133, 148056), (152, 129549), (168, 117211), (186, 105868), (199, 98952), (217, 90744), (228, 86366), (248, 79401), (266, 74028), (372, 52934), (398, 49476), (399, 49352), (434, 45372), (456, 43183), (532, 37014), (589, 33432), (597, 32984), (651, 30248), (744, 26467), (796, 24738), (798, 24676), (868, 22686), (1064, 18507), (1178, 16716), (1194, 16492), (1302, 15124), (1393, 14136), (1592, 12369), (1596, 12338), (1736, 11343), (1767, 11144), (2356, 8358), (2388, 8246), (2604, 7562), (2786, 7068), (3192, 6169), (3534, 5572), (3781, 5208), (4123, 4776), (4179, 4712)]