18398536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9311}}^1$

素因数の和:9349

約数の個数: 32

約数和(自身を含む): 39110400

約数和(自身を除く): 20711864

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9311, 18622, 37244, 74488, 121043, 176909, 242086, 353818, 484172, 707636, 968344, 1415272, 2299817, 4599634, 9199268, 18398536]

約数ペア:

[(1, 18398536), (2, 9199268), (4, 4599634), (8, 2299817), (13, 1415272), (19, 968344), (26, 707636), (38, 484172), (52, 353818), (76, 242086), (104, 176909), (152, 121043), (247, 74488), (494, 37244), (988, 18622), (1976, 9311)]