18311328

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 144

約数和(自身を含む): 61641216

約数和(自身を除く): 43329888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 72, 84, 93, 96, 112, 124, 126, 144, 168, 186, 217, 224, 248, 252, 279, 288, 293, 336, 372, 434, 496, 504, 558, 586, 651, 672, 744, 868, 879, 992, 1008, 1116, 1172, 1302, 1488, 1736, 1758, 1953, 2016, 2051, 2232, 2344, 2604, 2637, 2976, 3472, 3516, 3906, 4102, 4464, 4688, 5208, 5274, 6153, 6944, 7032, 7812, 8204, 8928, 9083, 9376, 10416, 10548, 12306, 14064, 15624, 16408, 18166, 18459, 20832, 21096, 24612, 27249, 28128, 31248, 32816, 36332, 36918, 42192, 49224, 54498, 62496, 63581, 65632, 72664, 73836, 81747, 84384, 98448, 108996, 127162, 145328, 147672, 163494, 190743, 196896, 217992, 254324, 290656, 295344, 326988, 381486, 435984, 508648, 572229, 590688, 653976, 762972, 871968, 1017296, 1144458, 1307952, 1525944, 2034592, 2288916, 2615904, 3051888, 4577832, 6103776, 9155664, 18311328]

約数ペア:

[(1, 18311328), (2, 9155664), (3, 6103776), (4, 4577832), (6, 3051888), (7, 2615904), (8, 2288916), (9, 2034592), (12, 1525944), (14, 1307952), (16, 1144458), (18, 1017296), (21, 871968), (24, 762972), (28, 653976), (31, 590688), (32, 572229), (36, 508648), (42, 435984), (48, 381486), (56, 326988), (62, 295344), (63, 290656), (72, 254324), (84, 217992), (93, 196896), (96, 190743), (112, 163494), (124, 147672), (126, 145328), (144, 127162), (168, 108996), (186, 98448), (217, 84384), (224, 81747), (248, 73836), (252, 72664), (279, 65632), (288, 63581), (293, 62496), (336, 54498), (372, 49224), (434, 42192), (496, 36918), (504, 36332), (558, 32816), (586, 31248), (651, 28128), (672, 27249), (744, 24612), (868, 21096), (879, 20832), (992, 18459), (1008, 18166), (1116, 16408), (1172, 15624), (1302, 14064), (1488, 12306), (1736, 10548), (1758, 10416), (1953, 9376), (2016, 9083), (2051, 8928), (2232, 8204), (2344, 7812), (2604, 7032), (2637, 6944), (2976, 6153), (3472, 5274), (3516, 5208), (3906, 4688), (4102, 4464)]