18503784

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 55135080

約数和(自身を除く): 36631296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 53, 72, 78, 104, 106, 117, 156, 159, 212, 234, 312, 318, 373, 424, 468, 477, 636, 689, 746, 936, 954, 1119, 1272, 1378, 1492, 1908, 2067, 2238, 2756, 2984, 3357, 3816, 4134, 4476, 4849, 5512, 6201, 6714, 8268, 8952, 9698, 12402, 13428, 14547, 16536, 19396, 19769, 24804, 26856, 29094, 38792, 39538, 43641, 49608, 58188, 59307, 79076, 87282, 116376, 118614, 158152, 174564, 177921, 237228, 256997, 349128, 355842, 474456, 513994, 711684, 770991, 1027988, 1423368, 1541982, 2055976, 2312973, 3083964, 4625946, 6167928, 9251892, 18503784]

約数ペア:

[(1, 18503784), (2, 9251892), (3, 6167928), (4, 4625946), (6, 3083964), (8, 2312973), (9, 2055976), (12, 1541982), (13, 1423368), (18, 1027988), (24, 770991), (26, 711684), (36, 513994), (39, 474456), (52, 355842), (53, 349128), (72, 256997), (78, 237228), (104, 177921), (106, 174564), (117, 158152), (156, 118614), (159, 116376), (212, 87282), (234, 79076), (312, 59307), (318, 58188), (373, 49608), (424, 43641), (468, 39538), (477, 38792), (636, 29094), (689, 26856), (746, 24804), (936, 19769), (954, 19396), (1119, 16536), (1272, 14547), (1378, 13428), (1492, 12402), (1908, 9698), (2067, 8952), (2238, 8268), (2756, 6714), (2984, 6201), (3357, 5512), (3816, 4849), (4134, 4476)]