18930996

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 120

約数和(自身を含む): 60008256

約数和(自身を除く): 41077260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 189, 204, 238, 252, 306, 324, 357, 378, 459, 476, 491, 567, 612, 714, 756, 918, 982, 1071, 1134, 1377, 1428, 1473, 1836, 1964, 2142, 2268, 2754, 2946, 3213, 3437, 4284, 4419, 5508, 5892, 6426, 6874, 8347, 8838, 9639, 10311, 12852, 13257, 13748, 16694, 17676, 19278, 20622, 25041, 26514, 30933, 33388, 38556, 39771, 41244, 50082, 53028, 58429, 61866, 75123, 79542, 92799, 100164, 116858, 123732, 150246, 159084, 175287, 185598, 225369, 233716, 278397, 300492, 350574, 371196, 450738, 525861, 556794, 676107, 701148, 901476, 1051722, 1113588, 1352214, 1577583, 2103444, 2704428, 3155166, 4732749, 6310332, 9465498, 18930996]

約数ペア:

[(1, 18930996), (2, 9465498), (3, 6310332), (4, 4732749), (6, 3155166), (7, 2704428), (9, 2103444), (12, 1577583), (14, 1352214), (17, 1113588), (18, 1051722), (21, 901476), (27, 701148), (28, 676107), (34, 556794), (36, 525861), (42, 450738), (51, 371196), (54, 350574), (63, 300492), (68, 278397), (81, 233716), (84, 225369), (102, 185598), (108, 175287), (119, 159084), (126, 150246), (153, 123732), (162, 116858), (189, 100164), (204, 92799), (238, 79542), (252, 75123), (306, 61866), (324, 58429), (357, 53028), (378, 50082), (459, 41244), (476, 39771), (491, 38556), (567, 33388), (612, 30933), (714, 26514), (756, 25041), (918, 20622), (982, 19278), (1071, 17676), (1134, 16694), (1377, 13748), (1428, 13257), (1473, 12852), (1836, 10311), (1964, 9639), (2142, 8838), (2268, 8347), (2754, 6874), (2946, 6426), (3213, 5892), (3437, 5508), (4284, 4419)]