18996842984

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1\times {\mathrm{8779}}^1$

素因数の和:11082

約数の個数: 64

約数和(自身を含む): 43125955200

約数和(自身を除く): 24129112216

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 2273, 4546, 8779, 9092, 15911, 17558, 18184, 31822, 35116, 38641, 61453, 63644, 70232, 77282, 122906, 127288, 149243, 154564, 245812, 270487, 298486, 309128, 491624, 540974, 596972, 1044701, 1081948, 1193944, 2089402, 2163896, 4178804, 8357608, 19954667, 39909334, 79818668, 139682669, 159637336, 279365338, 339229339, 558730676, 678458678, 1117461352, 1356917356, 2374605373, 2713834712, 4749210746, 9498421492, 18996842984]

約数ペア:

[(1, 18996842984), (2, 9498421492), (4, 4749210746), (7, 2713834712), (8, 2374605373), (14, 1356917356), (17, 1117461352), (28, 678458678), (34, 558730676), (56, 339229339), (68, 279365338), (119, 159637336), (136, 139682669), (238, 79818668), (476, 39909334), (952, 19954667), (2273, 8357608), (4546, 4178804), (8779, 2163896), (9092, 2089402), (15911, 1193944), (17558, 1081948), (18184, 1044701), (31822, 596972), (35116, 540974), (38641, 491624), (61453, 309128), (63644, 298486), (70232, 270487), (77282, 245812), (122906, 154564), (127288, 149243)]