18985172008

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{18913}}^1$

素因数の和:19019

約数の個数: 96

約数和(自身を含む): 42110507880

約数和(自身を除く): 23125335872

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 61, 68, 88, 121, 122, 136, 187, 242, 244, 374, 484, 488, 671, 748, 968, 1037, 1342, 1496, 2057, 2074, 2684, 4114, 4148, 5368, 7381, 8228, 8296, 11407, 14762, 16456, 18913, 22814, 29524, 37826, 45628, 59048, 75652, 91256, 125477, 151304, 208043, 250954, 321521, 416086, 501908, 643042, 832172, 1003816, 1153693, 1286084, 1664344, 2288473, 2307386, 2572168, 3536731, 4576946, 4614772, 7073462, 9153892, 9229544, 12690623, 14146924, 18307784, 19612781, 25381246, 28293848, 38904041, 39225562, 50762492, 77808082, 78451124, 101524984, 139596853, 155616164, 156902248, 215740591, 279193706, 311232328, 431481182, 558387412, 862962364, 1116774824, 1725924728, 2373146501, 4746293002, 9492586004, 18985172008]

約数ペア:

[(1, 18985172008), (2, 9492586004), (4, 4746293002), (8, 2373146501), (11, 1725924728), (17, 1116774824), (22, 862962364), (34, 558387412), (44, 431481182), (61, 311232328), (68, 279193706), (88, 215740591), (121, 156902248), (122, 155616164), (136, 139596853), (187, 101524984), (242, 78451124), (244, 77808082), (374, 50762492), (484, 39225562), (488, 38904041), (671, 28293848), (748, 25381246), (968, 19612781), (1037, 18307784), (1342, 14146924), (1496, 12690623), (2057, 9229544), (2074, 9153892), (2684, 7073462), (4114, 4614772), (4148, 4576946), (5368, 3536731), (7381, 2572168), (8228, 2307386), (8296, 2288473), (11407, 1664344), (14762, 1286084), (16456, 1153693), (18913, 1003816), (22814, 832172), (29524, 643042), (37826, 501908), (45628, 416086), (59048, 321521), (75652, 250954), (91256, 208043), (125477, 151304)]