18430240

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 43932672

約数和(自身を除く): 25502432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 907, 1016, 1270, 1814, 2032, 2540, 3628, 4064, 4535, 5080, 7256, 9070, 10160, 14512, 18140, 20320, 29024, 36280, 72560, 115189, 145120, 230378, 460756, 575945, 921512, 1151890, 1843024, 2303780, 3686048, 4607560, 9215120, 18430240]

約数ペア:

[(1, 18430240), (2, 9215120), (4, 4607560), (5, 3686048), (8, 2303780), (10, 1843024), (16, 1151890), (20, 921512), (32, 575945), (40, 460756), (80, 230378), (127, 145120), (160, 115189), (254, 72560), (508, 36280), (635, 29024), (907, 20320), (1016, 18140), (1270, 14512), (1814, 10160), (2032, 9070), (2540, 7256), (3628, 5080), (4064, 4535)]