19479156950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{823643}}^1$

素因数の和:823709

約数の個数: 48

約数和(自身を含む): 40444214976

約数和(自身を除く): 20965058026

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 946, 1075, 2150, 2365, 4730, 11825, 23650, 823643, 1647286, 4118215, 8236430, 9060073, 18120146, 20591075, 35416649, 41182150, 45300365, 70833298, 90600730, 177083245, 226501825, 354166490, 389583139, 453003650, 779166278, 885416225, 1770832450, 1947915695, 3895831390, 9739578475, 19479156950]

約数ペア:

[(1, 19479156950), (2, 9739578475), (5, 3895831390), (10, 1947915695), (11, 1770832450), (22, 885416225), (25, 779166278), (43, 453003650), (50, 389583139), (55, 354166490), (86, 226501825), (110, 177083245), (215, 90600730), (275, 70833298), (430, 45300365), (473, 41182150), (550, 35416649), (946, 20591075), (1075, 18120146), (2150, 9060073), (2365, 8236430), (4730, 4118215), (11825, 1647286), (23650, 823643)]