20618154

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^3\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 47436480

約数和(自身を除く): 26818326

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 167, 171, 334, 342, 361, 501, 722, 1002, 1083, 1503, 2166, 3006, 3173, 3249, 6346, 6498, 6859, 9519, 13718, 19038, 20577, 28557, 41154, 57114, 60287, 61731, 120574, 123462, 180861, 361722, 542583, 1085166, 1145453, 2290906, 3436359, 6872718, 10309077, 20618154]

約数ペア:

[(1, 20618154), (2, 10309077), (3, 6872718), (6, 3436359), (9, 2290906), (18, 1145453), (19, 1085166), (38, 542583), (57, 361722), (114, 180861), (167, 123462), (171, 120574), (334, 61731), (342, 60287), (361, 57114), (501, 41154), (722, 28557), (1002, 20577), (1083, 19038), (1503, 13718), (2166, 9519), (3006, 6859), (3173, 6498), (3249, 6346)]