198791984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{22549}}^1$

素因数の和:22605

約数の個数: 40

約数和(自身を含む): 419430000

約数和(自身を除く): 220638016

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 4408, 8816, 22549, 45098, 90196, 180392, 360784, 428431, 653921, 856862, 1307842, 1713724, 2615684, 3427448, 5231368, 6854896, 10462736, 12424499, 24848998, 49697996, 99395992, 198791984]

約数ペア:

[(1, 198791984), (2, 99395992), (4, 49697996), (8, 24848998), (16, 12424499), (19, 10462736), (29, 6854896), (38, 5231368), (58, 3427448), (76, 2615684), (116, 1713724), (152, 1307842), (232, 856862), (304, 653921), (464, 428431), (551, 360784), (1102, 180392), (2204, 90196), (4408, 45098), (8816, 22549)]