19723008

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 53479216

約数和(自身を除く): 33756208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 421, 488, 732, 768, 842, 976, 1263, 1464, 1684, 1952, 2526, 2928, 3368, 3904, 5052, 5856, 6736, 7808, 10104, 11712, 13472, 15616, 20208, 23424, 25681, 26944, 40416, 46848, 51362, 53888, 77043, 80832, 102724, 107776, 154086, 161664, 205448, 308172, 323328, 410896, 616344, 821792, 1232688, 1643584, 2465376, 3287168, 4930752, 6574336, 9861504, 19723008]

約数ペア:

[(1, 19723008), (2, 9861504), (3, 6574336), (4, 4930752), (6, 3287168), (8, 2465376), (12, 1643584), (16, 1232688), (24, 821792), (32, 616344), (48, 410896), (61, 323328), (64, 308172), (96, 205448), (122, 161664), (128, 154086), (183, 107776), (192, 102724), (244, 80832), (256, 77043), (366, 53888), (384, 51362), (421, 46848), (488, 40416), (732, 26944), (768, 25681), (842, 23424), (976, 20208), (1263, 15616), (1464, 13472), (1684, 11712), (1952, 10104), (2526, 7808), (2928, 6736), (3368, 5856), (3904, 5052)]