18920592

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 57451680

約数和(自身を除く): 38531088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 59, 68, 72, 102, 118, 131, 136, 144, 153, 177, 204, 236, 262, 272, 306, 354, 393, 408, 472, 524, 531, 612, 708, 786, 816, 944, 1003, 1048, 1062, 1179, 1224, 1416, 1572, 2006, 2096, 2124, 2227, 2358, 2448, 2832, 3009, 3144, 4012, 4248, 4454, 4716, 6018, 6288, 6681, 7729, 8024, 8496, 8908, 9027, 9432, 12036, 13362, 15458, 16048, 17816, 18054, 18864, 20043, 23187, 24072, 26724, 30916, 35632, 36108, 40086, 46374, 48144, 53448, 61832, 69561, 72216, 80172, 92748, 106896, 123664, 131393, 139122, 144432, 160344, 185496, 262786, 278244, 320688, 370992, 394179, 525572, 556488, 788358, 1051144, 1112976, 1182537, 1576716, 2102288, 2365074, 3153432, 4730148, 6306864, 9460296, 18920592]

約数ペア:

[(1, 18920592), (2, 9460296), (3, 6306864), (4, 4730148), (6, 3153432), (8, 2365074), (9, 2102288), (12, 1576716), (16, 1182537), (17, 1112976), (18, 1051144), (24, 788358), (34, 556488), (36, 525572), (48, 394179), (51, 370992), (59, 320688), (68, 278244), (72, 262786), (102, 185496), (118, 160344), (131, 144432), (136, 139122), (144, 131393), (153, 123664), (177, 106896), (204, 92748), (236, 80172), (262, 72216), (272, 69561), (306, 61832), (354, 53448), (393, 48144), (408, 46374), (472, 40086), (524, 36108), (531, 35632), (612, 30916), (708, 26724), (786, 24072), (816, 23187), (944, 20043), (1003, 18864), (1048, 18054), (1062, 17816), (1179, 16048), (1224, 15458), (1416, 13362), (1572, 12036), (2006, 9432), (2096, 9027), (2124, 8908), (2227, 8496), (2358, 8024), (2448, 7729), (2832, 6681), (3009, 6288), (3144, 6018), (4012, 4716), (4248, 4454)]