19545390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2749}}^1$

素因数の和:2841

約数の個数: 48

約数和(自身を含む): 51480000

約数和(自身を除く): 31934610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2749, 3555, 5498, 7110, 8247, 13745, 16494, 24741, 27490, 41235, 49482, 82470, 123705, 217171, 247410, 434342, 651513, 1085855, 1303026, 1954539, 2171710, 3257565, 3909078, 6515130, 9772695, 19545390]

約数ペア:

[(1, 19545390), (2, 9772695), (3, 6515130), (5, 3909078), (6, 3257565), (9, 2171710), (10, 1954539), (15, 1303026), (18, 1085855), (30, 651513), (45, 434342), (79, 247410), (90, 217171), (158, 123705), (237, 82470), (395, 49482), (474, 41235), (711, 27490), (790, 24741), (1185, 16494), (1422, 13745), (2370, 8247), (2749, 7110), (3555, 5498)]