18485936

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 47072880

約数和(自身を除く): 28586944

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 49, 56, 68, 73, 76, 98, 112, 119, 133, 136, 146, 152, 196, 238, 266, 272, 292, 304, 323, 392, 476, 511, 532, 584, 646, 784, 833, 931, 952, 1022, 1064, 1168, 1241, 1292, 1387, 1666, 1862, 1904, 2044, 2128, 2261, 2482, 2584, 2774, 3332, 3577, 3724, 4088, 4522, 4964, 5168, 5548, 6664, 7154, 7448, 8176, 8687, 9044, 9709, 9928, 11096, 13328, 14308, 14896, 15827, 17374, 18088, 19418, 19856, 22192, 23579, 28616, 31654, 34748, 36176, 38836, 47158, 57232, 60809, 63308, 67963, 69496, 77672, 94316, 121618, 126616, 135926, 138992, 155344, 165053, 188632, 243236, 253232, 271852, 330106, 377264, 486472, 543704, 660212, 972944, 1087408, 1155371, 1320424, 2310742, 2640848, 4621484, 9242968, 18485936]

約数ペア:

[(1, 18485936), (2, 9242968), (4, 4621484), (7, 2640848), (8, 2310742), (14, 1320424), (16, 1155371), (17, 1087408), (19, 972944), (28, 660212), (34, 543704), (38, 486472), (49, 377264), (56, 330106), (68, 271852), (73, 253232), (76, 243236), (98, 188632), (112, 165053), (119, 155344), (133, 138992), (136, 135926), (146, 126616), (152, 121618), (196, 94316), (238, 77672), (266, 69496), (272, 67963), (292, 63308), (304, 60809), (323, 57232), (392, 47158), (476, 38836), (511, 36176), (532, 34748), (584, 31654), (646, 28616), (784, 23579), (833, 22192), (931, 19856), (952, 19418), (1022, 18088), (1064, 17374), (1168, 15827), (1241, 14896), (1292, 14308), (1387, 13328), (1666, 11096), (1862, 9928), (1904, 9709), (2044, 9044), (2128, 8687), (2261, 8176), (2482, 7448), (2584, 7154), (2774, 6664), (3332, 5548), (3577, 5168), (3724, 4964), (4088, 4522)]