19749376

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2269}}^1$

素因数の和:2304

約数の個数: 40

約数和(自身を含む): 41799780

約数和(自身を除く): 22050404

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 2269, 4352, 4538, 8704, 9076, 18152, 36304, 38573, 72608, 77146, 145216, 154292, 290432, 308584, 580864, 617168, 1161728, 1234336, 2468672, 4937344, 9874688, 19749376]

約数ペア:

[(1, 19749376), (2, 9874688), (4, 4937344), (8, 2468672), (16, 1234336), (17, 1161728), (32, 617168), (34, 580864), (64, 308584), (68, 290432), (128, 154292), (136, 145216), (256, 77146), (272, 72608), (512, 38573), (544, 36304), (1088, 18152), (2176, 9076), (2269, 8704), (4352, 4538)]