18704704

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 56

約数和(自身を含む): 39428928

約数和(自身を除く): 20724224

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 97, 131, 184, 194, 262, 368, 388, 524, 736, 776, 1048, 1472, 1552, 2096, 2231, 3013, 3104, 4192, 4462, 6026, 6208, 8384, 8924, 12052, 12707, 17848, 24104, 25414, 35696, 48208, 50828, 71392, 96416, 101656, 142784, 192832, 203312, 292261, 406624, 584522, 813248, 1169044, 2338088, 4676176, 9352352, 18704704]

約数ペア:

[(1, 18704704), (2, 9352352), (4, 4676176), (8, 2338088), (16, 1169044), (23, 813248), (32, 584522), (46, 406624), (64, 292261), (92, 203312), (97, 192832), (131, 142784), (184, 101656), (194, 96416), (262, 71392), (368, 50828), (388, 48208), (524, 35696), (736, 25414), (776, 24104), (1048, 17848), (1472, 12707), (1552, 12052), (2096, 8924), (2231, 8384), (3013, 6208), (3104, 6026), (4192, 4462)]