18719910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:232

約数の個数: 120

約数和(自身を含む): 55617408

約数和(自身を除く): 36897498

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 121, 135, 162, 165, 191, 198, 242, 270, 297, 330, 363, 382, 405, 495, 573, 594, 605, 726, 810, 891, 955, 990, 1089, 1146, 1210, 1485, 1719, 1782, 1815, 1910, 2101, 2178, 2865, 2970, 3267, 3438, 3630, 4202, 4455, 5157, 5445, 5730, 6303, 6534, 8595, 8910, 9801, 10314, 10505, 10890, 12606, 15471, 16335, 17190, 18909, 19602, 21010, 23111, 25785, 30942, 31515, 32670, 37818, 46222, 49005, 51570, 56727, 63030, 69333, 77355, 94545, 98010, 113454, 115555, 138666, 154710, 170181, 189090, 207999, 231110, 283635, 340362, 346665, 415998, 567270, 623997, 693330, 850905, 1039995, 1247994, 1701810, 1871991, 2079990, 3119985, 3743982, 6239970, 9359955, 18719910]

約数ペア:

[(1, 18719910), (2, 9359955), (3, 6239970), (5, 3743982), (6, 3119985), (9, 2079990), (10, 1871991), (11, 1701810), (15, 1247994), (18, 1039995), (22, 850905), (27, 693330), (30, 623997), (33, 567270), (45, 415998), (54, 346665), (55, 340362), (66, 283635), (81, 231110), (90, 207999), (99, 189090), (110, 170181), (121, 154710), (135, 138666), (162, 115555), (165, 113454), (191, 98010), (198, 94545), (242, 77355), (270, 69333), (297, 63030), (330, 56727), (363, 51570), (382, 49005), (405, 46222), (495, 37818), (573, 32670), (594, 31515), (605, 30942), (726, 25785), (810, 23111), (891, 21010), (955, 19602), (990, 18909), (1089, 17190), (1146, 16335), (1210, 15471), (1485, 12606), (1719, 10890), (1782, 10505), (1815, 10314), (1910, 9801), (2101, 8910), (2178, 8595), (2865, 6534), (2970, 6303), (3267, 5730), (3438, 5445), (3630, 5157), (4202, 4455)]