18471960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3977

約数の個数: 96

約数和(自身を含む): 64668240

約数和(自身を除く): 46196280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 3947, 4680, 7894, 11841, 15788, 19735, 23682, 31576, 35523, 39470, 47364, 51311, 59205, 71046, 78940, 94728, 102622, 118410, 142092, 153933, 157880, 177615, 205244, 236820, 256555, 284184, 307866, 355230, 410488, 461799, 473640, 513110, 615732, 710460, 769665, 923598, 1026220, 1231464, 1420920, 1539330, 1847196, 2052440, 2308995, 3078660, 3694392, 4617990, 6157320, 9235980, 18471960]

約数ペア:

[(1, 18471960), (2, 9235980), (3, 6157320), (4, 4617990), (5, 3694392), (6, 3078660), (8, 2308995), (9, 2052440), (10, 1847196), (12, 1539330), (13, 1420920), (15, 1231464), (18, 1026220), (20, 923598), (24, 769665), (26, 710460), (30, 615732), (36, 513110), (39, 473640), (40, 461799), (45, 410488), (52, 355230), (60, 307866), (65, 284184), (72, 256555), (78, 236820), (90, 205244), (104, 177615), (117, 157880), (120, 153933), (130, 142092), (156, 118410), (180, 102622), (195, 94728), (234, 78940), (260, 71046), (312, 59205), (360, 51311), (390, 47364), (468, 39470), (520, 35523), (585, 31576), (780, 23682), (936, 19735), (1170, 15788), (1560, 11841), (2340, 7894), (3947, 4680)]