19037440

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 46357920

約数和(自身を除く): 27320480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 139, 160, 214, 256, 278, 320, 428, 535, 556, 640, 695, 856, 1070, 1112, 1280, 1390, 1712, 2140, 2224, 2780, 3424, 4280, 4448, 5560, 6848, 8560, 8896, 11120, 13696, 14873, 17120, 17792, 22240, 27392, 29746, 34240, 35584, 44480, 59492, 68480, 74365, 88960, 118984, 136960, 148730, 177920, 237968, 297460, 475936, 594920, 951872, 1189840, 1903744, 2379680, 3807488, 4759360, 9518720, 19037440]

約数ペア:

[(1, 19037440), (2, 9518720), (4, 4759360), (5, 3807488), (8, 2379680), (10, 1903744), (16, 1189840), (20, 951872), (32, 594920), (40, 475936), (64, 297460), (80, 237968), (107, 177920), (128, 148730), (139, 136960), (160, 118984), (214, 88960), (256, 74365), (278, 68480), (320, 59492), (428, 44480), (535, 35584), (556, 34240), (640, 29746), (695, 27392), (856, 22240), (1070, 17792), (1112, 17120), (1280, 14873), (1390, 13696), (1712, 11120), (2140, 8896), (2224, 8560), (2780, 6848), (3424, 5560), (4280, 4448)]