18740384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2413

約数の個数: 48

約数和(自身を含む): 41842080

約数和(自身を除く): 23101696

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2371, 3952, 4742, 7904, 9484, 18968, 30823, 37936, 45049, 61646, 75872, 90098, 123292, 180196, 246584, 360392, 493168, 585637, 720784, 986336, 1171274, 1441568, 2342548, 4685096, 9370192, 18740384]

約数ペア:

[(1, 18740384), (2, 9370192), (4, 4685096), (8, 2342548), (13, 1441568), (16, 1171274), (19, 986336), (26, 720784), (32, 585637), (38, 493168), (52, 360392), (76, 246584), (104, 180196), (152, 123292), (208, 90098), (247, 75872), (304, 61646), (416, 45049), (494, 37936), (608, 30823), (988, 18968), (1976, 9484), (2371, 7904), (3952, 4742)]