19844512

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 41610240

約数和(自身を除く): 21765728

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 127, 152, 254, 257, 304, 508, 514, 608, 1016, 1028, 2032, 2056, 2413, 4064, 4112, 4826, 4883, 8224, 9652, 9766, 19304, 19532, 32639, 38608, 39064, 65278, 77216, 78128, 130556, 156256, 261112, 522224, 620141, 1044448, 1240282, 2480564, 4961128, 9922256, 19844512]

約数ペア:

[(1, 19844512), (2, 9922256), (4, 4961128), (8, 2480564), (16, 1240282), (19, 1044448), (32, 620141), (38, 522224), (76, 261112), (127, 156256), (152, 130556), (254, 78128), (257, 77216), (304, 65278), (508, 39064), (514, 38608), (608, 32639), (1016, 19532), (1028, 19304), (2032, 9766), (2056, 9652), (2413, 8224), (4064, 4883), (4112, 4826)]