1818484490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3469}}^1$

素因数の和:3615

約数の個数: 64

約数和(自身を含む): 3597696000

約数和(自身を除く): 1779211510

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 89, 95, 155, 178, 190, 310, 445, 589, 890, 1178, 1691, 2759, 2945, 3382, 3469, 5518, 5890, 6938, 8455, 13795, 16910, 17345, 27590, 34690, 52421, 65911, 104842, 107539, 131822, 215078, 262105, 308741, 329555, 524210, 537695, 617482, 659110, 1075390, 1543705, 2043241, 3087410, 4086482, 5866079, 9570971, 10216205, 11732158, 19141942, 20432410, 29330395, 47854855, 58660790, 95709710, 181848449, 363696898, 909242245, 1818484490]

約数ペア:

[(1, 1818484490), (2, 909242245), (5, 363696898), (10, 181848449), (19, 95709710), (31, 58660790), (38, 47854855), (62, 29330395), (89, 20432410), (95, 19141942), (155, 11732158), (178, 10216205), (190, 9570971), (310, 5866079), (445, 4086482), (589, 3087410), (890, 2043241), (1178, 1543705), (1691, 1075390), (2759, 659110), (2945, 617482), (3382, 537695), (3469, 524210), (5518, 329555), (5890, 308741), (6938, 262105), (8455, 215078), (13795, 131822), (16910, 107539), (17345, 104842), (27590, 65911), (34690, 52421)]