18932816

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:113

約数の個数: 120

約数和(自身を含む): 47496960

約数和(自身を除く): 28564144

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 41, 49, 56, 62, 76, 82, 98, 112, 124, 133, 152, 164, 196, 217, 248, 266, 287, 304, 328, 392, 434, 496, 532, 574, 589, 656, 779, 784, 868, 931, 1064, 1148, 1178, 1271, 1519, 1558, 1736, 1862, 2009, 2128, 2296, 2356, 2542, 3038, 3116, 3472, 3724, 4018, 4123, 4592, 4712, 5084, 5453, 6076, 6232, 7448, 8036, 8246, 8897, 9424, 10168, 10906, 12152, 12464, 14896, 16072, 16492, 17794, 20336, 21812, 24149, 24304, 28861, 32144, 32984, 35588, 38171, 43624, 48298, 57722, 62279, 65968, 71176, 76342, 87248, 96596, 115444, 124558, 142352, 152684, 169043, 193192, 230888, 249116, 305368, 338086, 386384, 461776, 498232, 610736, 676172, 996464, 1183301, 1352344, 2366602, 2704688, 4733204, 9466408, 18932816]

約数ペア:

[(1, 18932816), (2, 9466408), (4, 4733204), (7, 2704688), (8, 2366602), (14, 1352344), (16, 1183301), (19, 996464), (28, 676172), (31, 610736), (38, 498232), (41, 461776), (49, 386384), (56, 338086), (62, 305368), (76, 249116), (82, 230888), (98, 193192), (112, 169043), (124, 152684), (133, 142352), (152, 124558), (164, 115444), (196, 96596), (217, 87248), (248, 76342), (266, 71176), (287, 65968), (304, 62279), (328, 57722), (392, 48298), (434, 43624), (496, 38171), (532, 35588), (574, 32984), (589, 32144), (656, 28861), (779, 24304), (784, 24149), (868, 21812), (931, 20336), (1064, 17794), (1148, 16492), (1178, 16072), (1271, 14896), (1519, 12464), (1558, 12152), (1736, 10906), (1862, 10168), (2009, 9424), (2128, 8897), (2296, 8246), (2356, 8036), (2542, 7448), (3038, 6232), (3116, 6076), (3472, 5453), (3724, 5084), (4018, 4712), (4123, 4592)]