19415440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22063}}^1$

素因数の和:22087

約数の個数: 40

約数和(自身を含む): 49246848

約数和(自身を除く): 29831408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22063, 44126, 88252, 110315, 176504, 220630, 242693, 353008, 441260, 485386, 882520, 970772, 1213465, 1765040, 1941544, 2426930, 3883088, 4853860, 9707720, 19415440]

約数ペア:

[(1, 19415440), (2, 9707720), (4, 4853860), (5, 3883088), (8, 2426930), (10, 1941544), (11, 1765040), (16, 1213465), (20, 970772), (22, 882520), (40, 485386), (44, 441260), (55, 353008), (80, 242693), (88, 220630), (110, 176504), (176, 110315), (220, 88252), (440, 44126), (880, 22063)]