19492976

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 40

約数和(自身を含む): 38997504

約数和(自身を除く): 19504528

約数列:

[1, 2, 4, 8, 16, 53, 106, 127, 181, 212, 254, 362, 424, 508, 724, 848, 1016, 1448, 2032, 2896, 6731, 9593, 13462, 19186, 22987, 26924, 38372, 45974, 53848, 76744, 91948, 107696, 153488, 183896, 367792, 1218311, 2436622, 4873244, 9746488, 19492976]

約数ペア:

[(1, 19492976), (2, 9746488), (4, 4873244), (8, 2436622), (16, 1218311), (53, 367792), (106, 183896), (127, 153488), (181, 107696), (212, 91948), (254, 76744), (362, 53848), (424, 45974), (508, 38372), (724, 26924), (848, 22987), (1016, 19186), (1448, 13462), (2032, 9593), (2896, 6731)]