19648890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{937}}^1$

素因数の和:1183

約数の個数: 48

約数和(自身を含む): 51361128

約数和(自身を除く): 31712238

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233, 466, 699, 937, 1165, 1398, 1874, 2097, 2330, 2811, 3495, 4194, 4685, 5622, 6990, 8433, 9370, 10485, 14055, 16866, 20970, 28110, 42165, 84330, 218321, 436642, 654963, 1091605, 1309926, 1964889, 2183210, 3274815, 3929778, 6549630, 9824445, 19648890]

約数ペア:

[(1, 19648890), (2, 9824445), (3, 6549630), (5, 3929778), (6, 3274815), (9, 2183210), (10, 1964889), (15, 1309926), (18, 1091605), (30, 654963), (45, 436642), (90, 218321), (233, 84330), (466, 42165), (699, 28110), (937, 20970), (1165, 16866), (1398, 14055), (1874, 10485), (2097, 9370), (2330, 8433), (2811, 6990), (3495, 5622), (4194, 4685)]