18380772

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 49271040

約数和(自身を除く): 30890268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 79, 92, 138, 158, 207, 237, 276, 281, 316, 414, 474, 562, 711, 828, 843, 948, 1124, 1422, 1686, 1817, 2529, 2844, 3372, 3634, 5058, 5451, 6463, 7268, 10116, 10902, 12926, 16353, 19389, 21804, 22199, 25852, 32706, 38778, 44398, 58167, 65412, 66597, 77556, 88796, 116334, 133194, 199791, 232668, 266388, 399582, 510577, 799164, 1021154, 1531731, 2042308, 3063462, 4595193, 6126924, 9190386, 18380772]

約数ペア:

[(1, 18380772), (2, 9190386), (3, 6126924), (4, 4595193), (6, 3063462), (9, 2042308), (12, 1531731), (18, 1021154), (23, 799164), (36, 510577), (46, 399582), (69, 266388), (79, 232668), (92, 199791), (138, 133194), (158, 116334), (207, 88796), (237, 77556), (276, 66597), (281, 65412), (316, 58167), (414, 44398), (474, 38778), (562, 32706), (711, 25852), (828, 22199), (843, 21804), (948, 19389), (1124, 16353), (1422, 12926), (1686, 10902), (1817, 10116), (2529, 7268), (2844, 6463), (3372, 5451), (3634, 5058)]