18831420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 96

約数和(自身を含む): 60023040

約数和(自身を除く): 41191620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 811, 860, 1161, 1290, 1548, 1622, 1935, 2322, 2433, 2580, 3244, 3870, 4055, 4644, 4866, 5805, 7299, 7740, 8110, 9732, 11610, 12165, 14598, 16220, 21897, 23220, 24330, 29196, 34873, 36495, 43794, 48660, 69746, 72990, 87588, 104619, 109485, 139492, 145980, 174365, 209238, 218970, 313857, 348730, 418476, 437940, 523095, 627714, 697460, 941571, 1046190, 1255428, 1569285, 1883142, 2092380, 3138570, 3766284, 4707855, 6277140, 9415710, 18831420]

約数ペア:

[(1, 18831420), (2, 9415710), (3, 6277140), (4, 4707855), (5, 3766284), (6, 3138570), (9, 2092380), (10, 1883142), (12, 1569285), (15, 1255428), (18, 1046190), (20, 941571), (27, 697460), (30, 627714), (36, 523095), (43, 437940), (45, 418476), (54, 348730), (60, 313857), (86, 218970), (90, 209238), (108, 174365), (129, 145980), (135, 139492), (172, 109485), (180, 104619), (215, 87588), (258, 72990), (270, 69746), (387, 48660), (430, 43794), (516, 36495), (540, 34873), (645, 29196), (774, 24330), (811, 23220), (860, 21897), (1161, 16220), (1290, 14598), (1548, 12165), (1622, 11610), (1935, 9732), (2322, 8110), (2433, 7740), (2580, 7299), (3244, 5805), (3870, 4866), (4055, 4644)]