19001648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69859}}^1$

素因数の和:69884

約数の個数: 20

約数和(自身を含む): 38981880

約数和(自身を除く): 19980232

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69859, 139718, 279436, 558872, 1117744, 1187603, 2375206, 4750412, 9500824, 19001648]

約数ペア:

[(1, 19001648), (2, 9500824), (4, 4750412), (8, 2375206), (16, 1187603), (17, 1117744), (34, 558872), (68, 279436), (136, 139718), (272, 69859)]