19859280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11821}}^1$

素因数の和:11844

約数の個数: 80

約数和(自身を含む): 70364544

約数和(自身を除く): 50505264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11821, 23642, 35463, 47284, 59105, 70926, 82747, 94568, 118210, 141852, 165494, 177315, 189136, 236420, 248241, 283704, 330988, 354630, 413735, 472840, 496482, 567408, 661976, 709260, 827470, 945680, 992964, 1241205, 1323952, 1418520, 1654940, 1985928, 2482410, 2837040, 3309880, 3971856, 4964820, 6619760, 9929640, 19859280]

約数ペア:

[(1, 19859280), (2, 9929640), (3, 6619760), (4, 4964820), (5, 3971856), (6, 3309880), (7, 2837040), (8, 2482410), (10, 1985928), (12, 1654940), (14, 1418520), (15, 1323952), (16, 1241205), (20, 992964), (21, 945680), (24, 827470), (28, 709260), (30, 661976), (35, 567408), (40, 496482), (42, 472840), (48, 413735), (56, 354630), (60, 330988), (70, 283704), (80, 248241), (84, 236420), (105, 189136), (112, 177315), (120, 165494), (140, 141852), (168, 118210), (210, 94568), (240, 82747), (280, 70926), (336, 59105), (420, 47284), (560, 35463), (840, 23642), (1680, 11821)]