18356804540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{7643}}^1$

素因数の和:7823

約数の個数: 96

約数和(自身を含む): 41261088960

約数和(自身を除く): 22904284420

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 101, 116, 145, 164, 202, 205, 290, 404, 410, 505, 580, 820, 1010, 1189, 2020, 2378, 2929, 4141, 4756, 5858, 5945, 7643, 8282, 11716, 11890, 14645, 15286, 16564, 20705, 23780, 29290, 30572, 38215, 41410, 58580, 76430, 82820, 120089, 152860, 221647, 240178, 313363, 443294, 480356, 600445, 626726, 771943, 886588, 1108235, 1200890, 1253452, 1543886, 1566815, 2216470, 2401780, 3087772, 3133630, 3859715, 4432940, 6267260, 7719430, 9087527, 15438860, 18175054, 22386347, 31649663, 36350108, 44772694, 45437635, 63299326, 89545388, 90875270, 111931735, 126598652, 158248315, 181750540, 223863470, 316496630, 447726940, 632993260, 917840227, 1835680454, 3671360908, 4589201135, 9178402270, 18356804540]

約数ペア:

[(1, 18356804540), (2, 9178402270), (4, 4589201135), (5, 3671360908), (10, 1835680454), (20, 917840227), (29, 632993260), (41, 447726940), (58, 316496630), (82, 223863470), (101, 181750540), (116, 158248315), (145, 126598652), (164, 111931735), (202, 90875270), (205, 89545388), (290, 63299326), (404, 45437635), (410, 44772694), (505, 36350108), (580, 31649663), (820, 22386347), (1010, 18175054), (1189, 15438860), (2020, 9087527), (2378, 7719430), (2929, 6267260), (4141, 4432940), (4756, 3859715), (5858, 3133630), (5945, 3087772), (7643, 2401780), (8282, 2216470), (11716, 1566815), (11890, 1543886), (14645, 1253452), (15286, 1200890), (16564, 1108235), (20705, 886588), (23780, 771943), (29290, 626726), (30572, 600445), (38215, 480356), (41410, 443294), (58580, 313363), (76430, 240178), (82820, 221647), (120089, 152860)]