18708201780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{233911}}^1$

素因数の和:233997

約数の個数: 96

約数和(自身を含む): 55330480128

約数和(自身を除く): 36622278348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 258, 310, 372, 430, 465, 516, 620, 645, 860, 930, 1290, 1333, 1860, 2580, 2666, 3999, 5332, 6665, 7998, 13330, 15996, 19995, 26660, 39990, 79980, 233911, 467822, 701733, 935644, 1169555, 1403466, 2339110, 2806932, 3508665, 4678220, 7017330, 7251241, 10058173, 14034660, 14502482, 20116346, 21753723, 29004964, 30174519, 36256205, 40232692, 43507446, 50290865, 60349038, 72512410, 87014892, 100581730, 108768615, 120698076, 145024820, 150872595, 201163460, 217537230, 301745190, 311803363, 435074460, 603490380, 623606726, 935410089, 1247213452, 1559016815, 1870820178, 3118033630, 3741640356, 4677050445, 6236067260, 9354100890, 18708201780]

約数ペア:

[(1, 18708201780), (2, 9354100890), (3, 6236067260), (4, 4677050445), (5, 3741640356), (6, 3118033630), (10, 1870820178), (12, 1559016815), (15, 1247213452), (20, 935410089), (30, 623606726), (31, 603490380), (43, 435074460), (60, 311803363), (62, 301745190), (86, 217537230), (93, 201163460), (124, 150872595), (129, 145024820), (155, 120698076), (172, 108768615), (186, 100581730), (215, 87014892), (258, 72512410), (310, 60349038), (372, 50290865), (430, 43507446), (465, 40232692), (516, 36256205), (620, 30174519), (645, 29004964), (860, 21753723), (930, 20116346), (1290, 14502482), (1333, 14034660), (1860, 10058173), (2580, 7251241), (2666, 7017330), (3999, 4678220), (5332, 3508665), (6665, 2806932), (7998, 2339110), (13330, 1403466), (15996, 1169555), (19995, 935644), (26660, 701733), (39990, 467822), (79980, 233911)]