18505908

素因数分解:

$2^2\times 3^5\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 49329280

約数和(自身を除く): 30823372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 241, 243, 316, 324, 474, 482, 486, 711, 723, 948, 964, 972, 1422, 1446, 2133, 2169, 2844, 2892, 4266, 4338, 6399, 6507, 8532, 8676, 12798, 13014, 19039, 19197, 19521, 25596, 26028, 38078, 38394, 39042, 57117, 58563, 76156, 76788, 78084, 114234, 117126, 171351, 228468, 234252, 342702, 514053, 685404, 1028106, 1542159, 2056212, 3084318, 4626477, 6168636, 9252954, 18505908]

約数ペア:

[(1, 18505908), (2, 9252954), (3, 6168636), (4, 4626477), (6, 3084318), (9, 2056212), (12, 1542159), (18, 1028106), (27, 685404), (36, 514053), (54, 342702), (79, 234252), (81, 228468), (108, 171351), (158, 117126), (162, 114234), (237, 78084), (241, 76788), (243, 76156), (316, 58563), (324, 57117), (474, 39042), (482, 38394), (486, 38078), (711, 26028), (723, 25596), (948, 19521), (964, 19197), (972, 19039), (1422, 13014), (1446, 12798), (2133, 8676), (2169, 8532), (2844, 6507), (2892, 6399), (4266, 4338)]