18408331390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{4177}}^1$

素因数の和:4541

約数の個数: 64

約数和(自身を含む): 34956022464

約数和(自身を除く): 16547691074

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 277, 370, 430, 554, 1385, 1591, 2770, 3182, 4177, 7955, 8354, 10249, 11911, 15910, 20498, 20885, 23822, 41770, 51245, 59555, 102490, 119110, 154549, 179611, 309098, 359222, 440707, 772745, 881414, 898055, 1157029, 1545490, 1796110, 2203535, 2314058, 4407070, 5785145, 6645607, 11570290, 13291214, 33228035, 42810073, 49752247, 66456070, 85620146, 99504494, 214050365, 248761235, 428100730, 497522470, 1840833139, 3681666278, 9204165695, 18408331390]

約数ペア:

[(1, 18408331390), (2, 9204165695), (5, 3681666278), (10, 1840833139), (37, 497522470), (43, 428100730), (74, 248761235), (86, 214050365), (185, 99504494), (215, 85620146), (277, 66456070), (370, 49752247), (430, 42810073), (554, 33228035), (1385, 13291214), (1591, 11570290), (2770, 6645607), (3182, 5785145), (4177, 4407070), (7955, 2314058), (8354, 2203535), (10249, 1796110), (11911, 1545490), (15910, 1157029), (20498, 898055), (20885, 881414), (23822, 772745), (41770, 440707), (51245, 359222), (59555, 309098), (102490, 179611), (119110, 154549)]