19825995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 19987125

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 51, 85, 87, 105, 119, 145, 203, 255, 357, 383, 435, 493, 595, 609, 1015, 1149, 1479, 1785, 1915, 2465, 2681, 3045, 3451, 5745, 6511, 7395, 8043, 10353, 11107, 13405, 17255, 19533, 32555, 33321, 40215, 45577, 51765, 55535, 77749, 97665, 136731, 166605, 188819, 227885, 233247, 388745, 566457, 683655, 944095, 1166235, 1321733, 2832285, 3965199, 6608665, 19825995]

約数ペア:

[(1, 19825995), (3, 6608665), (5, 3965199), (7, 2832285), (15, 1321733), (17, 1166235), (21, 944095), (29, 683655), (35, 566457), (51, 388745), (85, 233247), (87, 227885), (105, 188819), (119, 166605), (145, 136731), (203, 97665), (255, 77749), (357, 55535), (383, 51765), (435, 45577), (493, 40215), (595, 33321), (609, 32555), (1015, 19533), (1149, 17255), (1479, 13405), (1785, 11107), (1915, 10353), (2465, 8043), (2681, 7395), (3045, 6511), (3451, 5745)]