18997568

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:967

約数の個数: 56

約数和(自身を含む): 42062400

約数和(自身を除く): 23064832

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 919, 1088, 1216, 1292, 1838, 2584, 3676, 5168, 7352, 10336, 14704, 15623, 17461, 20672, 29408, 31246, 34922, 58816, 62492, 69844, 124984, 139688, 249968, 279376, 296837, 499936, 558752, 593674, 999872, 1117504, 1187348, 2374696, 4749392, 9498784, 18997568]

約数ペア:

[(1, 18997568), (2, 9498784), (4, 4749392), (8, 2374696), (16, 1187348), (17, 1117504), (19, 999872), (32, 593674), (34, 558752), (38, 499936), (64, 296837), (68, 279376), (76, 249968), (136, 139688), (152, 124984), (272, 69844), (304, 62492), (323, 58816), (544, 34922), (608, 31246), (646, 29408), (919, 20672), (1088, 17461), (1216, 15623), (1292, 14704), (1838, 10336), (2584, 7352), (3676, 5168)]