19099955

素因数分解:

$5^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 40

約数和(自身を含む): 28099632

約数和(自身を除く): 8999677

約数列:

[1, 5, 7, 35, 37, 43, 49, 185, 215, 245, 259, 301, 343, 1295, 1505, 1591, 1715, 1813, 2107, 2401, 7955, 9065, 10535, 11137, 12005, 12691, 14749, 55685, 63455, 73745, 77959, 88837, 103243, 389795, 444185, 516215, 545713, 2728565, 3819991, 19099955]

約数ペア:

[(1, 19099955), (5, 3819991), (7, 2728565), (35, 545713), (37, 516215), (43, 444185), (49, 389795), (185, 103243), (215, 88837), (245, 77959), (259, 73745), (301, 63455), (343, 55685), (1295, 14749), (1505, 12691), (1591, 12005), (1715, 11137), (1813, 10535), (2107, 9065), (2401, 7955)]