18159876

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 57972096

約数和(自身を除く): 39812220

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, 157, 162, 189, 204, 238, 243, 252, 306, 314, 324, 357, 378, 459, 471, 476, 486, 567, 612, 628, 714, 756, 918, 942, 972, 1071, 1099, 1134, 1377, 1413, 1428, 1701, 1836, 1884, 2142, 2198, 2268, 2669, 2754, 2826, 3213, 3297, 3402, 4131, 4239, 4284, 4396, 5338, 5508, 5652, 6426, 6594, 6804, 8007, 8262, 8478, 9639, 9891, 10676, 12717, 12852, 13188, 16014, 16524, 16956, 18683, 19278, 19782, 24021, 25434, 28917, 29673, 32028, 37366, 38151, 38556, 39564, 48042, 50868, 56049, 57834, 59346, 72063, 74732, 76302, 89019, 96084, 112098, 115668, 118692, 144126, 152604, 168147, 178038, 216189, 224196, 267057, 288252, 336294, 356076, 432378, 504441, 534114, 648567, 672588, 864756, 1008882, 1068228, 1297134, 1513323, 2017764, 2594268, 3026646, 4539969, 6053292, 9079938, 18159876]

約数ペア:

[(1, 18159876), (2, 9079938), (3, 6053292), (4, 4539969), (6, 3026646), (7, 2594268), (9, 2017764), (12, 1513323), (14, 1297134), (17, 1068228), (18, 1008882), (21, 864756), (27, 672588), (28, 648567), (34, 534114), (36, 504441), (42, 432378), (51, 356076), (54, 336294), (63, 288252), (68, 267057), (81, 224196), (84, 216189), (102, 178038), (108, 168147), (119, 152604), (126, 144126), (153, 118692), (157, 115668), (162, 112098), (189, 96084), (204, 89019), (238, 76302), (243, 74732), (252, 72063), (306, 59346), (314, 57834), (324, 56049), (357, 50868), (378, 48042), (459, 39564), (471, 38556), (476, 38151), (486, 37366), (567, 32028), (612, 29673), (628, 28917), (714, 25434), (756, 24021), (918, 19782), (942, 19278), (972, 18683), (1071, 16956), (1099, 16524), (1134, 16014), (1377, 13188), (1413, 12852), (1428, 12717), (1701, 10676), (1836, 9891), (1884, 9639), (2142, 8478), (2198, 8262), (2268, 8007), (2669, 6804), (2754, 6594), (2826, 6426), (3213, 5652), (3297, 5508), (3402, 5338), (4131, 4396), (4239, 4284)]