18304510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 21508610

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 71, 127, 142, 145, 203, 254, 290, 355, 406, 497, 635, 710, 889, 994, 1015, 1270, 1778, 2030, 2059, 2485, 3683, 4118, 4445, 4970, 7366, 8890, 9017, 10295, 14413, 18034, 18415, 20590, 25781, 28826, 36830, 45085, 51562, 63119, 72065, 90170, 126238, 128905, 144130, 257810, 261493, 315595, 522986, 631190, 1307465, 1830451, 2614930, 3660902, 9152255, 18304510]

約数ペア:

[(1, 18304510), (2, 9152255), (5, 3660902), (7, 2614930), (10, 1830451), (14, 1307465), (29, 631190), (35, 522986), (58, 315595), (70, 261493), (71, 257810), (127, 144130), (142, 128905), (145, 126238), (203, 90170), (254, 72065), (290, 63119), (355, 51562), (406, 45085), (497, 36830), (635, 28826), (710, 25781), (889, 20590), (994, 18415), (1015, 18034), (1270, 14413), (1778, 10295), (2030, 9017), (2059, 8890), (2485, 7366), (3683, 4970), (4118, 4445)]