18907196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 45868032

約数和(自身を除く): 26960836

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 23, 28, 34, 44, 46, 68, 77, 92, 119, 154, 157, 161, 187, 238, 253, 308, 314, 322, 374, 391, 476, 506, 628, 644, 748, 782, 1012, 1099, 1309, 1564, 1727, 1771, 2198, 2618, 2669, 2737, 3454, 3542, 3611, 4301, 4396, 5236, 5338, 5474, 6908, 7084, 7222, 8602, 10676, 10948, 12089, 14444, 17204, 18683, 24178, 25277, 29359, 30107, 37366, 39721, 48356, 50554, 58718, 60214, 61387, 74732, 79442, 101108, 117436, 120428, 122774, 158884, 205513, 245548, 278047, 411026, 429709, 556094, 675257, 822052, 859418, 1112188, 1350514, 1718836, 2701028, 4726799, 9453598, 18907196]

約数ペア:

[(1, 18907196), (2, 9453598), (4, 4726799), (7, 2701028), (11, 1718836), (14, 1350514), (17, 1112188), (22, 859418), (23, 822052), (28, 675257), (34, 556094), (44, 429709), (46, 411026), (68, 278047), (77, 245548), (92, 205513), (119, 158884), (154, 122774), (157, 120428), (161, 117436), (187, 101108), (238, 79442), (253, 74732), (308, 61387), (314, 60214), (322, 58718), (374, 50554), (391, 48356), (476, 39721), (506, 37366), (628, 30107), (644, 29359), (748, 25277), (782, 24178), (1012, 18683), (1099, 17204), (1309, 14444), (1564, 12089), (1727, 10948), (1771, 10676), (2198, 8602), (2618, 7222), (2669, 7084), (2737, 6908), (3454, 5474), (3542, 5338), (3611, 5236), (4301, 4396)]