18515880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2707}}^1$

素因数の和:2743

約数の個数: 96

約数和(自身を含む): 63367200

約数和(自身を除く): 44851320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2707, 3420, 5414, 6840, 8121, 10828, 13535, 16242, 21656, 24363, 27070, 32484, 40605, 48726, 51433, 54140, 64968, 81210, 97452, 102866, 108280, 121815, 154299, 162420, 194904, 205732, 243630, 257165, 308598, 324840, 411464, 462897, 487260, 514330, 617196, 771495, 925794, 974520, 1028660, 1234392, 1542990, 1851588, 2057320, 2314485, 3085980, 3703176, 4628970, 6171960, 9257940, 18515880]

約数ペア:

[(1, 18515880), (2, 9257940), (3, 6171960), (4, 4628970), (5, 3703176), (6, 3085980), (8, 2314485), (9, 2057320), (10, 1851588), (12, 1542990), (15, 1234392), (18, 1028660), (19, 974520), (20, 925794), (24, 771495), (30, 617196), (36, 514330), (38, 487260), (40, 462897), (45, 411464), (57, 324840), (60, 308598), (72, 257165), (76, 243630), (90, 205732), (95, 194904), (114, 162420), (120, 154299), (152, 121815), (171, 108280), (180, 102866), (190, 97452), (228, 81210), (285, 64968), (342, 54140), (360, 51433), (380, 48726), (456, 40605), (570, 32484), (684, 27070), (760, 24363), (855, 21656), (1140, 16242), (1368, 13535), (1710, 10828), (2280, 8121), (2707, 6840), (3420, 5414)]