19904508

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14177}}^1$

素因数の和:14203

約数の個数: 48

約数和(自身を含む): 55577760

約数和(自身を除く): 35673252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14177, 28354, 42531, 56708, 85062, 127593, 170124, 184301, 255186, 368602, 382779, 510372, 552903, 737204, 765558, 1105806, 1531116, 1658709, 2211612, 3317418, 4976127, 6634836, 9952254, 19904508]

約数ペア:

[(1, 19904508), (2, 9952254), (3, 6634836), (4, 4976127), (6, 3317418), (9, 2211612), (12, 1658709), (13, 1531116), (18, 1105806), (26, 765558), (27, 737204), (36, 552903), (39, 510372), (52, 382779), (54, 368602), (78, 255186), (108, 184301), (117, 170124), (156, 127593), (234, 85062), (351, 56708), (468, 42531), (702, 28354), (1404, 14177)]