19498580901

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1481}}^1$

素因数の和:1744

約数の個数: 80

約数和(自身を含む): 31399999488

約数和(自身を除く): 11901418587

約数列:

[1, 3, 9, 23, 27, 37, 69, 81, 111, 191, 207, 333, 573, 621, 851, 999, 1481, 1719, 1863, 2553, 2997, 4393, 4443, 5157, 7067, 7659, 13179, 13329, 15471, 21201, 22977, 34063, 39537, 39987, 54797, 63603, 68931, 102189, 118611, 119961, 162541, 164391, 190809, 282871, 306567, 355833, 487623, 493173, 572427, 848613, 919701, 1260331, 1462869, 1479519, 2545839, 2759103, 3780993, 4388607, 4438557, 6506033, 7637517, 10466227, 11342979, 13165821, 19518099, 22912551, 31398681, 34028937, 58554297, 94196043, 102086811, 175662891, 240723221, 282588129, 526988673, 722169663, 847764387, 2166508989, 6499526967, 19498580901]

約数ペア:

[(1, 19498580901), (3, 6499526967), (9, 2166508989), (23, 847764387), (27, 722169663), (37, 526988673), (69, 282588129), (81, 240723221), (111, 175662891), (191, 102086811), (207, 94196043), (333, 58554297), (573, 34028937), (621, 31398681), (851, 22912551), (999, 19518099), (1481, 13165821), (1719, 11342979), (1863, 10466227), (2553, 7637517), (2997, 6506033), (4393, 4438557), (4443, 4388607), (5157, 3780993), (7067, 2759103), (7659, 2545839), (13179, 1479519), (13329, 1462869), (15471, 1260331), (21201, 919701), (22977, 848613), (34063, 572427), (39537, 493173), (39987, 487623), (54797, 355833), (63603, 306567), (68931, 282871), (102189, 190809), (118611, 164391), (119961, 162541)]