18621064

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 48153600

約数和(自身を除く): 29532536

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 37, 38, 43, 44, 56, 74, 76, 77, 86, 88, 133, 148, 152, 154, 172, 209, 259, 266, 296, 301, 308, 344, 407, 418, 473, 518, 532, 602, 616, 703, 814, 817, 836, 946, 1036, 1064, 1204, 1406, 1463, 1591, 1628, 1634, 1672, 1892, 2072, 2408, 2812, 2849, 2926, 3182, 3256, 3268, 3311, 3784, 4921, 5624, 5698, 5719, 5852, 6364, 6536, 6622, 7733, 8987, 9842, 11137, 11396, 11438, 11704, 12728, 13244, 15466, 17501, 17974, 19684, 22274, 22792, 22876, 26488, 30229, 30932, 35002, 35948, 39368, 44548, 45752, 54131, 60458, 61864, 62909, 70004, 71896, 89096, 108262, 120916, 122507, 125818, 140008, 211603, 216524, 241832, 245014, 251636, 332519, 423206, 433048, 490028, 503272, 665038, 846412, 980056, 1330076, 1692824, 2327633, 2660152, 4655266, 9310532, 18621064]

約数ペア:

[(1, 18621064), (2, 9310532), (4, 4655266), (7, 2660152), (8, 2327633), (11, 1692824), (14, 1330076), (19, 980056), (22, 846412), (28, 665038), (37, 503272), (38, 490028), (43, 433048), (44, 423206), (56, 332519), (74, 251636), (76, 245014), (77, 241832), (86, 216524), (88, 211603), (133, 140008), (148, 125818), (152, 122507), (154, 120916), (172, 108262), (209, 89096), (259, 71896), (266, 70004), (296, 62909), (301, 61864), (308, 60458), (344, 54131), (407, 45752), (418, 44548), (473, 39368), (518, 35948), (532, 35002), (602, 30932), (616, 30229), (703, 26488), (814, 22876), (817, 22792), (836, 22274), (946, 19684), (1036, 17974), (1064, 17501), (1204, 15466), (1406, 13244), (1463, 12728), (1591, 11704), (1628, 11438), (1634, 11396), (1672, 11137), (1892, 9842), (2072, 8987), (2408, 7733), (2812, 6622), (2849, 6536), (2926, 6364), (3182, 5852), (3256, 5719), (3268, 5698), (3311, 5624), (3784, 4921)]