18439728

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{20219}}^1$

素因数の和:20249

約数の個数: 40

約数和(自身を含む): 50145600

約数和(自身を除く): 31705872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 20219, 40438, 60657, 80876, 121314, 161752, 242628, 323504, 384161, 485256, 768322, 970512, 1152483, 1536644, 2304966, 3073288, 4609932, 6146576, 9219864, 18439728]

約数ペア:

[(1, 18439728), (2, 9219864), (3, 6146576), (4, 4609932), (6, 3073288), (8, 2304966), (12, 1536644), (16, 1152483), (19, 970512), (24, 768322), (38, 485256), (48, 384161), (57, 323504), (76, 242628), (114, 161752), (152, 121314), (228, 80876), (304, 60657), (456, 40438), (912, 20219)]