18325728

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 58378320

約数和(自身を除く): 40052592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 32, 34, 36, 38, 48, 51, 57, 68, 72, 76, 96, 102, 114, 136, 144, 152, 153, 171, 197, 204, 228, 272, 288, 304, 306, 323, 342, 394, 408, 456, 544, 591, 608, 612, 646, 684, 788, 816, 912, 969, 1182, 1224, 1292, 1368, 1576, 1632, 1773, 1824, 1938, 2364, 2448, 2584, 2736, 2907, 3152, 3349, 3546, 3743, 3876, 4728, 4896, 5168, 5472, 5814, 6304, 6698, 7092, 7486, 7752, 9456, 10047, 10336, 11229, 11628, 13396, 14184, 14972, 15504, 18912, 20094, 22458, 23256, 26792, 28368, 29944, 30141, 31008, 33687, 40188, 44916, 46512, 53584, 56736, 59888, 60282, 63631, 67374, 80376, 89832, 93024, 107168, 119776, 120564, 127262, 134748, 160752, 179664, 190893, 241128, 254524, 269496, 321504, 359328, 381786, 482256, 509048, 538992, 572679, 763572, 964512, 1018096, 1077984, 1145358, 1527144, 2036192, 2290716, 3054288, 4581432, 6108576, 9162864, 18325728]

約数ペア:

[(1, 18325728), (2, 9162864), (3, 6108576), (4, 4581432), (6, 3054288), (8, 2290716), (9, 2036192), (12, 1527144), (16, 1145358), (17, 1077984), (18, 1018096), (19, 964512), (24, 763572), (32, 572679), (34, 538992), (36, 509048), (38, 482256), (48, 381786), (51, 359328), (57, 321504), (68, 269496), (72, 254524), (76, 241128), (96, 190893), (102, 179664), (114, 160752), (136, 134748), (144, 127262), (152, 120564), (153, 119776), (171, 107168), (197, 93024), (204, 89832), (228, 80376), (272, 67374), (288, 63631), (304, 60282), (306, 59888), (323, 56736), (342, 53584), (394, 46512), (408, 44916), (456, 40188), (544, 33687), (591, 31008), (608, 30141), (612, 29944), (646, 28368), (684, 26792), (788, 23256), (816, 22458), (912, 20094), (969, 18912), (1182, 15504), (1224, 14972), (1292, 14184), (1368, 13396), (1576, 11628), (1632, 11229), (1773, 10336), (1824, 10047), (1938, 9456), (2364, 7752), (2448, 7486), (2584, 7092), (2736, 6698), (2907, 6304), (3152, 5814), (3349, 5472), (3546, 5168), (3743, 4896), (3876, 4728)]