19276912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 39921552

約数和(自身を除く): 20644640

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 131, 136, 262, 272, 524, 541, 1048, 1082, 2096, 2164, 2227, 4328, 4454, 8656, 8908, 9197, 17816, 18394, 35632, 36788, 70871, 73576, 141742, 147152, 283484, 566968, 1133936, 1204807, 2409614, 4819228, 9638456, 19276912]

約数ペア:

[(1, 19276912), (2, 9638456), (4, 4819228), (8, 2409614), (16, 1204807), (17, 1133936), (34, 566968), (68, 283484), (131, 147152), (136, 141742), (262, 73576), (272, 70871), (524, 36788), (541, 35632), (1048, 18394), (1082, 17816), (2096, 9197), (2164, 8908), (2227, 8656), (4328, 4454)]