19545904

素因数分解:

$2^4\times 7^2\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:362

約数の個数: 60

約数和(自身を含む): 44655624

約数和(自身を除く): 25109720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 107, 112, 196, 214, 233, 392, 428, 466, 749, 784, 856, 932, 1498, 1631, 1712, 1864, 2996, 3262, 3728, 5243, 5992, 6524, 10486, 11417, 11984, 13048, 20972, 22834, 24931, 26096, 41944, 45668, 49862, 83888, 91336, 99724, 174517, 182672, 199448, 349034, 398896, 698068, 1221619, 1396136, 2443238, 2792272, 4886476, 9772952, 19545904]

約数ペア:

[(1, 19545904), (2, 9772952), (4, 4886476), (7, 2792272), (8, 2443238), (14, 1396136), (16, 1221619), (28, 698068), (49, 398896), (56, 349034), (98, 199448), (107, 182672), (112, 174517), (196, 99724), (214, 91336), (233, 83888), (392, 49862), (428, 45668), (466, 41944), (749, 26096), (784, 24931), (856, 22834), (932, 20972), (1498, 13048), (1631, 11984), (1712, 11417), (1864, 10486), (2996, 6524), (3262, 5992), (3728, 5243)]