19018912

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 41477184

約数和(自身を除く): 22458272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 761, 781, 1136, 1522, 1562, 2272, 3044, 3124, 6088, 6248, 8371, 12176, 12496, 16742, 24352, 24992, 33484, 54031, 66968, 108062, 133936, 216124, 267872, 432248, 594341, 864496, 1188682, 1728992, 2377364, 4754728, 9509456, 19018912]

約数ペア:

[(1, 19018912), (2, 9509456), (4, 4754728), (8, 2377364), (11, 1728992), (16, 1188682), (22, 864496), (32, 594341), (44, 432248), (71, 267872), (88, 216124), (142, 133936), (176, 108062), (284, 66968), (352, 54031), (568, 33484), (761, 24992), (781, 24352), (1136, 16742), (1522, 12496), (1562, 12176), (2272, 8371), (3044, 6248), (3124, 6088)]